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/elements/icon.sass

@@ -0,0 +1,46 @@
+$icon-dimensions: 1.5rem !default
+$icon-dimensions-small: 1rem !default
+$icon-dimensions-medium: 2rem !default
+$icon-dimensions-large: 3rem !default
+$icon-text-spacing: 0.25em !default
+
+.icon
+  align-items: center
+  display: inline-flex
+  justify-content: center
+  height: $icon-dimensions
+  width: $icon-dimensions
+  // Sizes
+  &.is-small
+    height: $icon-dimensions-small
+    width: $icon-dimensions-small
+  &.is-medium
+    height: $icon-dimensions-medium
+    width: $icon-dimensions-medium
+  &.is-large
+    height: $icon-dimensions-large
+    width: $icon-dimensions-large
+
+.icon-text
+  align-items: flex-start
+  color: inherit
+  display: inline-flex
+  flex-wrap: wrap
+  line-height: $icon-dimensions
+  vertical-align: top
+  .icon
+    flex-grow: 0
+    flex-shrink: 0
+    &:not(:last-child)
+      +ltr
+        margin-right: $icon-text-spacing
+      +rtl
+        margin-left: $icon-text-spacing
+    &:not(:first-child)
+      +ltr
+        margin-left: $icon-text-spacing
+      +rtl
+        margin-right: $icon-text-spacing
+
+div.icon-text
+  display: flex