diff --git a/package.json b/package.json
index a7e2ece..a4b8eca 100644
--- a/package.json
+++ b/package.json
@@ -45,7 +45,7 @@
     "gatsby-remark-external-links": "^0.0.4",
     "gatsby-remark-images": "^3.3.8",
     "gatsby-remark-prismjs": "^3.5.2",
-    "gatsby-remark-relative-images": "^0.3.0",
+    "gatsby-remark-relative-images": "^2.0.0",
     "gatsby-remark-smartypants": "^2.3.2",
     "gatsby-source-filesystem": "^2.3.8",
     "gatsby-source-github-api": "^0.2.1",
diff --git a/yarn.lock b/yarn.lock
index 1c596ec..1ff1f1b 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2782,15 +2782,6 @@ babel-plugin-transform-react-remove-prop-types@^0.4.24:
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-react-remove-prop-types/-/babel-plugin-transform-react-remove-prop-types-0.4.24.tgz#f2edaf9b4c6a5fbe5c1d678bfb531078c1555f3a"
   integrity sha512-eqj0hVcJUR57/Ug2zE1Yswsw4LhuqqHhD+8v120T1cl3kjg76QwtyBrdIk4WVwK+lAhBJVYCd/v+4nc4y+8JsA==
 
-babel-polyfill@^6.26.0:
-  version "6.26.0"
-  resolved "https://registry.yarnpkg.com/babel-polyfill/-/babel-polyfill-6.26.0.tgz#379937abc67d7895970adc621f284cd966cf2153"
-  integrity sha1-N5k3q8Z9eJWXCtxiHyhM2WbPIVM=
-  dependencies:
-    babel-runtime "^6.26.0"
-    core-js "^2.5.0"
-    regenerator-runtime "^0.10.5"
-
 babel-preset-current-node-syntax@^0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/babel-preset-current-node-syntax/-/babel-preset-current-node-syntax-0.1.2.tgz#fb4a4c51fe38ca60fede1dc74ab35eb843cb41d6"
@@ -3575,7 +3566,7 @@ charenc@~0.0.1:
   resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
   integrity sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc=
 
-cheerio@^1.0.0-rc.3:
+cheerio@1.0.0-rc.3, cheerio@^1.0.0-rc.3:
   version "1.0.0-rc.3"
   resolved "https://registry.yarnpkg.com/cheerio/-/cheerio-1.0.0-rc.3.tgz#094636d425b2e9c0f4eb91a46c05630c9a1a8bf6"
   integrity sha512-0td5ijfUPuubwLUu0OBoe98gZj8C/AA+RW3v67GPlGOrvxWjZmBXiBCRU+I8VEiNyJzjth40POfHiz2RB3gImA==
@@ -4111,7 +4102,7 @@ core-js-pure@^3.0.0:
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.6.5.tgz#c79e75f5e38dbc85a662d91eea52b8256d53b813"
   integrity sha512-lacdXOimsiD0QyNf9BC/mxivNJ/ybBGJXQFKzRekp1WTHoVUWsUHEn+2T8GJAzzIhyOuXA+gOxCVN3l+5PLPUA==
 
-core-js@^2.4.0, core-js@^2.5.0, core-js@^2.6.11, core-js@^2.6.5:
+core-js@^2.4.0, core-js@^2.6.11, core-js@^2.6.5:
   version "2.6.11"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
   integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
@@ -4327,7 +4318,7 @@ css-select@^2.0.0:
     domutils "^1.7.0"
     nth-check "^1.0.2"
 
-css-selector-parser@^1.1.0:
+css-selector-parser@^1.0.0, css-selector-parser@^1.1.0:
   version "1.4.1"
   resolved "https://registry.yarnpkg.com/css-selector-parser/-/css-selector-parser-1.4.1.tgz#03f9cb8a81c3e5ab2c51684557d5aaf6d2569759"
   integrity sha512-HYPSb7y/Z7BNDCOrakL4raGO2zltZkbeXyAd6Tg9obzix6QhzxCotdBl6VT0Dv4vZfJGVz3WL/xaEI9Ly3ul0g==
@@ -4490,14 +4481,6 @@ cyclist@^1.0.1:
   resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-1.0.1.tgz#596e9698fd0c80e12038c2b82d6eb1b35b6224d9"
   integrity sha1-WW6WmP0MgOEgOMK4LW6xs1tiJNk=
 
-d@1, d@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/d/-/d-1.0.1.tgz#8698095372d58dbee346ffd0c7093f99f8f9eb5a"
-  integrity sha512-m62ShEObQ39CfralilEQRjH6oAMtNCV1xJyEx5LpRYUVN+EviphDgUc/F3hnYbADmkiNs67Y+3ylmlG7Lnu+FA==
-  dependencies:
-    es5-ext "^0.10.50"
-    type "^1.0.1"
-
 damerau-levenshtein@^1.0.4:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/damerau-levenshtein/-/damerau-levenshtein-1.0.6.tgz#143c1641cb3d85c60c32329e26899adea8701791"
@@ -4670,15 +4653,6 @@ deep-is@^0.1.3, deep-is@~0.1.3:
   resolved "https://registry.yarnpkg.com/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
   integrity sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=
 
-deep-map@^1.5.0:
-  version "1.5.0"
-  resolved "https://registry.yarnpkg.com/deep-map/-/deep-map-1.5.0.tgz#eaa595cb81783ca2800f26a42e09f16e7d4fb890"
-  integrity sha1-6qWVy4F4PKKADyakLgnxbn1PuJA=
-  dependencies:
-    es6-weak-map "^2.0.2"
-    lodash "^4.17.4"
-    tslib "^1.6.0"
-
 deepmerge@^4.0.0, deepmerge@^4.2.2:
   version "4.2.2"
   resolved "https://registry.yarnpkg.com/deepmerge/-/deepmerge-4.2.2.tgz#44d2ea3679b8f4d4ffba33f03d865fc1e7bf4955"
@@ -5303,42 +5277,6 @@ es-to-primitive@^1.2.1:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
-es5-ext@^0.10.35, es5-ext@^0.10.46, es5-ext@^0.10.50:
-  version "0.10.53"
-  resolved "https://registry.yarnpkg.com/es5-ext/-/es5-ext-0.10.53.tgz#93c5a3acfdbef275220ad72644ad02ee18368de1"
-  integrity sha512-Xs2Stw6NiNHWypzRTY1MtaG/uJlwCk8kH81920ma8mvN8Xq1gsfhZvpkImLQArw8AHnv8MT2I45J3c0R8slE+Q==
-  dependencies:
-    es6-iterator "~2.0.3"
-    es6-symbol "~3.1.3"
-    next-tick "~1.0.0"
-
-es6-iterator@^2.0.3, es6-iterator@~2.0.3:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/es6-iterator/-/es6-iterator-2.0.3.tgz#a7de889141a05a94b0854403b2d0a0fbfa98f3b7"
-  integrity sha1-p96IkUGgWpSwhUQDstCg+/qY87c=
-  dependencies:
-    d "1"
-    es5-ext "^0.10.35"
-    es6-symbol "^3.1.1"
-
-es6-symbol@^3.1.1, es6-symbol@~3.1.3:
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/es6-symbol/-/es6-symbol-3.1.3.tgz#bad5d3c1bcdac28269f4cb331e431c78ac705d18"
-  integrity sha512-NJ6Yn3FuDinBaBRWl/q5X/s4koRHBrgKAu+yGI6JCBeiu3qrcbJhwT2GeR/EXVfylRk8dpQVJoLEFhK+Mu31NA==
-  dependencies:
-    d "^1.0.1"
-    ext "^1.1.2"
-
-es6-weak-map@^2.0.2:
-  version "2.0.3"
-  resolved "https://registry.yarnpkg.com/es6-weak-map/-/es6-weak-map-2.0.3.tgz#b6da1f16cc2cc0d9be43e6bdbfc5e7dfcdf31d53"
-  integrity sha512-p5um32HOTO1kP+w7PRnB+5lQ43Z6muuMuIMffvDN8ZB4GcnjLBV6zGStpbASIMk4DCAvEaamhe2zhyCb/QXXsA==
-  dependencies:
-    d "1"
-    es5-ext "^0.10.46"
-    es6-iterator "^2.0.3"
-    es6-symbol "^3.1.1"
-
 escape-html@~1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/escape-html/-/escape-html-1.0.3.tgz#0258eae4d3d0c0974de1c169188ef0051d1d1988"
@@ -5926,13 +5864,6 @@ ext-name@^5.0.0:
     ext-list "^2.0.0"
     sort-keys-length "^1.0.0"
 
-ext@^1.1.2:
-  version "1.4.0"
-  resolved "https://registry.yarnpkg.com/ext/-/ext-1.4.0.tgz#89ae7a07158f79d35517882904324077e4379244"
-  integrity sha512-Key5NIsUxdqKg3vIsdw9dSuXpPCQ297y6wBjL30edxwPgt2E44WcWBZey/ZvUc6sERLTxKdyCu4gZFmUbk1Q7A==
-  dependencies:
-    type "^2.0.0"
-
 extend-shallow@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
@@ -6780,18 +6711,16 @@ gatsby-remark-prismjs@^3.5.2:
     parse-numeric-range "^0.0.2"
     unist-util-visit "^1.4.1"
 
-gatsby-remark-relative-images@^0.3.0:
-  version "0.3.0"
-  resolved "https://registry.yarnpkg.com/gatsby-remark-relative-images/-/gatsby-remark-relative-images-0.3.0.tgz#6e31b0045d943ae1822ced469ce3b39b772e8ee4"
-  integrity sha512-DvFJiuqV/2I92OvKfVRQl0KxyOEE3zI/ALbxHFXHwCMzz+Pkd/HzmSyTLVyq9iBogzTQB+OpzDtgrTAtQwddzg==
+gatsby-remark-relative-images@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/gatsby-remark-relative-images/-/gatsby-remark-relative-images-2.0.0.tgz#8bc363867b28a33fc6073c01107d6ecadb2446ec"
+  integrity sha512-48fuqKIAJ90JpCgMU1lAes216WvDzq5f/Rk4qk2uudoLEjsuKprmx9PbSBkLiVCb7+/bKOw4gMTexIUfatG7RQ==
   dependencies:
-    babel-polyfill "^6.26.0"
-    cheerio "^1.0.0-rc.3"
-    deep-map "^1.5.0"
-    is-relative-url "^2.0.0"
-    lodash "^4.17.15"
-    slash "^2.0.0"
-    unist-util-select "^1.5.0"
+    cheerio "1.0.0-rc.3"
+    is-invalid-path "1.0.2"
+    lodash "4.17.20"
+    traverse "0.6.6"
+    unist-util-select "3.0.1"
 
 gatsby-remark-smartypants@^2.3.2:
   version "2.3.2"
@@ -8629,6 +8558,11 @@ is-installed-globally@^0.1.0:
     global-dirs "^0.1.0"
     is-path-inside "^1.0.0"
 
+is-invalid-path@1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/is-invalid-path/-/is-invalid-path-1.0.2.tgz#2f84731559f4936abcf1b227632719cf45c5dc0e"
+  integrity sha512-6KLcFrPCEP3AFXMfnWrIFkZpYNBVzZAoBJJDEZKtI3LXkaDjM3uFMJQjxiizUuZTZ9Oh9FNv/soXbx5TcpaDmA==
+
 is-invalid-path@^0.1.0:
   version "0.1.0"
   resolved "https://registry.yarnpkg.com/is-invalid-path/-/is-invalid-path-0.1.0.tgz#307a855b3cf1a938b44ea70d2c61106053714f34"
@@ -9814,6 +9748,11 @@ lodash.uniq@4.5.0, lodash.uniq@^4.5.0:
   resolved "https://registry.yarnpkg.com/lodash.uniq/-/lodash.uniq-4.5.0.tgz#d0225373aeb652adc1bc82e4945339a842754773"
   integrity sha1-0CJTc662Uq3BvILklFM5qEJ1R3M=
 
+lodash@4.17.20:
+  version "4.17.20"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.20.tgz#b44a9b6297bcb698f1c51a3545a2b3b368d59c52"
+  integrity sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA==
+
 lodash@^4.0.0, lodash@^4.11.1, lodash@^4.15.0, lodash@^4.17.11, lodash@^4.17.13, lodash@^4.17.14, lodash@^4.17.15, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0, lodash@~4.17.12:
   version "4.17.15"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.15.tgz#b447f6670a0455bbfeedd11392eff330ea097548"
@@ -10536,11 +10475,6 @@ next-tick@^1.0.0:
   resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.1.0.tgz#1836ee30ad56d67ef281b22bd199f709449b35eb"
   integrity sha512-CXdUiJembsNjuToQvxayPZF9Vqht7hewsvy2sOWafLvi2awflj9mOC6bHIg50orX8IJvWKY9wYQ/zB2kogPslQ==
 
-next-tick@~1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/next-tick/-/next-tick-1.0.0.tgz#ca86d1fe8828169b0120208e3dc8424b9db8342c"
-  integrity sha1-yobR/ogoFpsBICCOPchCS524NCw=
-
 nice-try@^1.0.4:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/nice-try/-/nice-try-1.0.5.tgz#a3378a7696ce7d223e88fc9b764bd7ef1089e366"
@@ -10781,6 +10715,11 @@ normalize-url@^4.1.0:
   resolved "https://registry.yarnpkg.com/normalize-url/-/normalize-url-4.5.0.tgz#453354087e6ca96957bd8f5baf753f5982142129"
   integrity sha512-2s47yzUxdexf1OhyRi4Em83iQk0aPvwTddtFz4hnSSw9dCEsLEGf6SwIO8ss/19S9iBb5sJaOuTvTGDeZI00BQ==
 
+not@^0.1.0:
+  version "0.1.0"
+  resolved "https://registry.yarnpkg.com/not/-/not-0.1.0.tgz#c9691c1746c55dcfbe54cbd8bd4ff041bc2b519d"
+  integrity sha1-yWkcF0bFXc++VMvYvU/wQbwrUZ0=
+
 npm-conf@^1.1.0:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/npm-conf/-/npm-conf-1.1.3.tgz#256cc47bd0e218c259c4e9550bf413bc2192aff9"
@@ -10813,7 +10752,7 @@ npm-run-path@^4.0.0:
     gauge "~2.7.3"
     set-blocking "~2.0.0"
 
-nth-check@^1.0.1, nth-check@^1.0.2, nth-check@~1.0.1:
+nth-check@^1.0.0, nth-check@^1.0.1, nth-check@^1.0.2, nth-check@~1.0.1:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/nth-check/-/nth-check-1.0.2.tgz#b2bd295c37e3dd58a3bf0700376663ba4d9cf05c"
   integrity sha512-WeBOdju8SnzPN5vTUJYxYUxLeXpCaVP5i5e0LF8fg7WORF2Wd7wFX/pk0tYZk7s8T+J7VLy0Da6J1+wCT0AtHg==
@@ -12713,11 +12652,6 @@ regenerate@^1.4.0:
   resolved "https://registry.yarnpkg.com/regenerate/-/regenerate-1.4.0.tgz#4a856ec4b56e4077c557589cae85e7a4c8869a11"
   integrity sha512-1G6jJVDWrt0rK99kBjvEtziZNCICAuvIPkSiUFIQxVP06RCVpq3dmDo2oi6ABpYaDYaTRr67BEhL8r1wgEZZKg==
 
-regenerator-runtime@^0.10.5:
-  version "0.10.5"
-  resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.10.5.tgz#336c3efc1220adcedda2c9fab67b5a7955a33658"
-  integrity sha1-M2w+/BIgrc7dosn6tntaeVWjNlg=
-
 regenerator-runtime@^0.11.0:
   version "0.11.1"
   resolved "https://registry.yarnpkg.com/regenerator-runtime/-/regenerator-runtime-0.11.1.tgz#be05ad7f9bf7d22e056f9726cee5017fbf19e2e9"
@@ -13718,11 +13652,6 @@ slash@^1.0.0:
   resolved "https://registry.yarnpkg.com/slash/-/slash-1.0.0.tgz#c41f2f6c39fc16d1cd17ad4b5d896114ae470d55"
   integrity sha1-xB8vbDn8FtHNF61LXYlhFK5HDVU=
 
-slash@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/slash/-/slash-2.0.0.tgz#de552851a1759df3a8f206535442f5ec4ddeab44"
-  integrity sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==
-
 slash@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"
@@ -14819,6 +14748,11 @@ tr46@^2.0.2:
   dependencies:
     punycode "^2.1.1"
 
+traverse@0.6.6:
+  version "0.6.6"
+  resolved "https://registry.yarnpkg.com/traverse/-/traverse-0.6.6.tgz#cbdf560fd7b9af632502fed40f918c157ea97137"
+  integrity sha1-y99WD9e5r2MlAv7UD5GMFX6pcTc=
+
 trim-lines@^1.0.0:
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/trim-lines/-/trim-lines-1.1.3.tgz#839514be82428fd9e7ec89e35081afe8f6f93115"
@@ -14879,7 +14813,7 @@ ts-pnp@^1.1.6:
   resolved "https://registry.yarnpkg.com/ts-pnp/-/ts-pnp-1.2.0.tgz#a500ad084b0798f1c3071af391e65912c86bca92"
   integrity sha512-csd+vJOb/gkzvcCHgTGSChYpy5f1/XKNsmvBGO4JXS+z1v2HobugDz4s1IeFXM3wZB44uczs+eazB5Q/ccdhQw==
 
-tslib@^1.10.0, tslib@^1.6.0, tslib@^1.8.1, tslib@^1.9.0:
+tslib@^1.10.0, tslib@^1.8.1, tslib@^1.9.0:
   version "1.13.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.13.0.tgz#c881e13cc7015894ed914862d276436fa9a47043"
   integrity sha512-i/6DQjL8Xf3be4K/E6Wgpekn5Qasl1usyw++dAA35Ue5orEn65VIxOA+YvNNl9HV3qv70T7CNwjODHZrLwvd1Q==
@@ -14965,16 +14899,6 @@ type-of@^2.0.1:
   resolved "https://registry.yarnpkg.com/type-of/-/type-of-2.0.1.tgz#e72a1741896568e9f628378d816d6912f7f23972"
   integrity sha1-5yoXQYllaOn2KDeNgW1pEvfyOXI=
 
-type@^1.0.1:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/type/-/type-1.2.0.tgz#848dd7698dafa3e54a6c479e759c4bc3f18847a0"
-  integrity sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg==
-
-type@^2.0.0:
-  version "2.0.0"
-  resolved "https://registry.yarnpkg.com/type/-/type-2.0.0.tgz#5f16ff6ef2eb44f260494dae271033b29c09a9c3"
-  integrity sha512-KBt58xCHry4Cejnc2ISQAF7QY+ORngsWfxezO68+12hKV6lQY8P/psIkcbjeHWn7MqcgciWJyCCevFMJdIXpow==
-
 typedarray-to-buffer@^3.1.5:
   version "3.1.5"
   resolved "https://registry.yarnpkg.com/typedarray-to-buffer/-/typedarray-to-buffer-3.1.5.tgz#a97ee7a9ff42691b9f783ff1bc5112fe3fca9080"
@@ -15221,6 +15145,17 @@ unist-util-remove@^2.0.0:
   dependencies:
     unist-util-is "^4.0.0"
 
+unist-util-select@3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/unist-util-select/-/unist-util-select-3.0.1.tgz#787fc452db9ba77f0ade0e7dc53c3d9d4acc79c7"
+  integrity sha512-VQpTuqZVJlRbosQdnLdTPIIqwZeU70YZ5aMBOqtFNGeeCdYn6ORZt/9RiaVlbl06ocuf58SVMoFa7a13CSGPMA==
+  dependencies:
+    css-selector-parser "^1.0.0"
+    not "^0.1.0"
+    nth-check "^1.0.0"
+    unist-util-is "^4.0.0"
+    zwitch "^1.0.0"
+
 unist-util-select@^1.5.0:
   version "1.5.0"
   resolved "https://registry.yarnpkg.com/unist-util-select/-/unist-util-select-1.5.0.tgz#a93c2be8c0f653827803b81331adec2aa24cd933"