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>

.github/workflows/lint-frontend.yaml

@@ -27,7 +27,7 @@ jobs:
       # See .stylelintignore for files that are not linted.
       - name: Run stylelint
         run: >
-          npx stylelint bookwyrm/static/css/*.css \
+          npx stylelint bookwyrm/static/css/*.scss \
             --config dev-tools/.stylelintrc.js
 
       # See .eslintignore for files that are not linted.

.github/workflows/lint-global.yaml

@@ -1,21 +0,0 @@
-# @url https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
-name: Lint project globally
-
-on:
-  push:
-    branches: [ main, ci ]
-  pull_request:
-    branches: [ main, ci ]
-
-jobs:
-  lint:
-    name: Lint with EditorConfig.
-    runs-on: ubuntu-20.04
-
-    # Steps represent a sequence of tasks that will be executed as part of the job
-    steps:
-      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
-      - uses: actions/checkout@v2
-
-      - name: EditorConfig
-        uses: greut/eclint-action@v0