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/image.sass

@@ -0,0 +1,73 @@
+@import "../utilities/mixins"
+
+$dimensions: 16 24 32 48 64 96 128 !default
+
+.image
+  display: block
+  position: relative
+  img
+    display: block
+    height: auto
+    width: 100%
+    &.is-rounded
+      border-radius: $radius-rounded
+  &.is-fullwidth
+    width: 100%
+  // Ratio
+  &.is-square,
+  &.is-1by1,
+  &.is-5by4,
+  &.is-4by3,
+  &.is-3by2,
+  &.is-5by3,
+  &.is-16by9,
+  &.is-2by1,
+  &.is-3by1,
+  &.is-4by5,
+  &.is-3by4,
+  &.is-2by3,
+  &.is-3by5,
+  &.is-9by16,
+  &.is-1by2,
+  &.is-1by3
+    img,
+    .has-ratio
+      @extend %overlay
+      height: 100%
+      width: 100%
+  &.is-square,
+  &.is-1by1
+    padding-top: 100%
+  &.is-5by4
+    padding-top: 80%
+  &.is-4by3
+    padding-top: 75%
+  &.is-3by2
+    padding-top: 66.6666%
+  &.is-5by3
+    padding-top: 60%
+  &.is-16by9
+    padding-top: 56.25%
+  &.is-2by1
+    padding-top: 50%
+  &.is-3by1
+    padding-top: 33.3333%
+  &.is-4by5
+    padding-top: 125%
+  &.is-3by4
+    padding-top: 133.3333%
+  &.is-2by3
+    padding-top: 150%
+  &.is-3by5
+    padding-top: 166.6666%
+  &.is-9by16
+    padding-top: 177.7777%
+  &.is-1by2
+    padding-top: 200%
+  &.is-1by3
+    padding-top: 300%
+  // Sizes
+  @each $dimension in $dimensions
+    &.is-#{$dimension}x#{$dimension}
+      height: $dimension * 1px
+      width: $dimension * 1px