fix: upgrade css-loader from 1.0.0 to 1.0.1

Snyk has created this PR to upgrade css-loader from 1.0.0 to 1.0.1.

See this package in NPM:
https://www.npmjs.com/package/css-loader

See this project in Snyk:
https://app.snyk.io/org/davidkindler/project/6865432e-9ae7-40aa-ab6d-807d59d4dccc?utm_source=github&utm_medium=upgrade-pr

package.json

@@ -14,7 +14,7 @@
     "babel-runtime": "6.26.0",
     "case-sensitive-paths-webpack-plugin": "2.3.0",
     "chalk": "1.1.3",
-    "css-loader": "1.0.0",
+    "css-loader": "1.0.1",
     "dotenv": "4.0.0",
     "enzyme-to-json": "^3.3.1",
     "eslint": "5.0.0",