4.2.0 (#530)

* revamp code highlighting

* replace standard Fira Code with a variable version

* change buttons arrows

* redesign code blocks

* make terminal logo more prominent

* separate terminal theme styles from terminal.css

Terminal.css styles only can change the color scheme.

* update docs and version

* remove USERS.md

* fix header pattern

* remove old prismjs shortcode

* remove old rss template

* remove old figure shortcode

* [chore] update yarn

LOL, I'm still using 1.22.x

* [chore] update package-lock.json

* fix pagination & boost meta visibility

* fix code blocks on mobile & move some parts from CSS to JS

layouts/partials/posts_pagination.html

@@ -7,7 +7,7 @@
   <div class="pagination__buttons">
     {{ if .NextInSection }}
       <a href="{{ .NextInSection.Permalink }}" class="button inline prev">
-        {{ .NextInSection.Title }}
+        &lt; [<span class="button__text">{{ .NextInSection.Title }}</span>]
       </a>
     {{ end }}
     {{ if and .NextInSection .PrevInSection }}
@@ -15,7 +15,7 @@
     {{ end }}
     {{ if .PrevInSection }}
       <a href="{{ .PrevInSection.Permalink }}" class="button inline next">
-        {{ .PrevInSection.Title }}
+         [<span class="button__text">{{ .PrevInSection.Title }}</span>] &gt;
       </a>
     {{ end }}
   </div>