GHA: Only build from master branch

.github/workflows/build.yml

@@ -1,6 +1,9 @@
 name: build
 
-on: push
+on:
+  push:
+    branches:
+      - master
 
 jobs:
   build:

_posts/2020-06-01-linux-container-in-c.md

@@ -11,3 +11,13 @@ header:
 
 published: false
 ---
+
+Since years ago containers have been a hot topic everywhere. There are many container softwares like [Docker][docker], [Linux Containers][lxc] and [Singularity][singularity]. It's hard to say one *understand* what containers are without diving into all the gory details of them, so I decided to go on this exploration myself.
+
+  [docker]: https://www.docker.com/
+  [lxc]: https://linuxcontainers.org/
+  [singularity]: https://sylabs.io/singularity/
+
+The actual motivation was (quite) a bit different, though, as I am the TA of *Operating Systems (H)* this semester, and I want to inject a spirit of innovation into the course labs, so I worked this out very early.
+
+Long story short,

netlify.toml

@@ -17,8 +17,7 @@ JEKYLL_ENV = "production"
 #to = "https://ibugone.com"
 
 [[redirects]]
-from = "/example/*"
+from = "/minimal-mistakes/*"
 to = "https://mmistakes.github.io/minimal-mistakes/:splat"
 status = 200
 force = true
-#headers = {Host = "ibugone.com"}