Compiles css framework from sass (#1956)

* Compiles css framework from sass

* Adds watch commands

* Copies existing css to sass file

* Moves sass out of static path

* Removes global linter

I wasn't sure how to customize this, and it's not providing a lot of
additional value on top of the domain-specific linters

* Reverts invalid change to dockerfile

* Changes stylelint path

* Remove unused bulma files

* Properly minifies generated css

* Fixes regression in thread display

* rgba function only works with percents for whatever reason

* Hush stylelint

* Removes trailing zeros

* Compile sass in Django

Co-authored-by: Joachim <joachim.robert@protonmail.com>

* Python formatting

* Updates linter

* Updates commands

* Adds css-config file

Co-authored-by: Joachim <joachim.robert@protonmail.com>

* Stylelint fix

* Removes unused compiled bulma files

Co-authored-by: Joachim <joachim.robert@protonmail.com>

bookwyrm/static/css/vendor/bulma/sass/components/media.sass

@@ -0,0 +1,59 @@
+@import "../utilities/mixins"
+
+$media-border-color: bulmaRgba($border, 0.5) !default
+$media-border-size: 1px !default
+$media-spacing: 1rem !default
+$media-spacing-large: 1.5rem !default
+$media-content-spacing: 0.75rem !default
+$media-level-1-spacing: 0.75rem !default
+$media-level-1-content-spacing: 0.5rem !default
+$media-level-2-spacing: 0.5rem !default
+
+.media
+  align-items: flex-start
+  display: flex
+  text-align: inherit
+  .content:not(:last-child)
+    margin-bottom: $media-content-spacing
+  .media
+    border-top: $media-border-size solid $media-border-color
+    display: flex
+    padding-top: $media-level-1-spacing
+    .content:not(:last-child),
+    .control:not(:last-child)
+      margin-bottom: $media-level-1-content-spacing
+    .media
+      padding-top: $media-level-2-spacing
+      & + .media
+        margin-top: $media-level-2-spacing
+  & + .media
+    border-top: $media-border-size solid $media-border-color
+    margin-top: $media-spacing
+    padding-top: $media-spacing
+  // Sizes
+  &.is-large
+    & + .media
+      margin-top: $media-spacing-large
+      padding-top: $media-spacing-large
+
+.media-left,
+.media-right
+  flex-basis: auto
+  flex-grow: 0
+  flex-shrink: 0
+
+.media-left
+  +ltr-property("margin", $media-spacing)
+
+.media-right
+  +ltr-property("margin", $media-spacing, false)
+
+.media-content
+  flex-basis: auto
+  flex-grow: 1
+  flex-shrink: 1
+  text-align: inherit
+
++mobile
+  .media-content
+    overflow-x: auto