Theme improvements (#822)

* start converting

* small fixes

* reorganize theme files

* cleanup search bar

* increase spacing

* small tweaks

* fix select styles in Chrome

* cleanup menus

* improve button icons

* restore badges

* remove unused classes

* restore some overrides

* restore bookmark form

* add summary outline

* avoid layout shifts

* restore bookmark details

* increase border radius for modals

* improve details modal

* restore reader mode

* restore settings

* cleanup variables

* start with dark theme

* more dark theme...

* more light theme...

* more dark theme...

* add postcss build

* remove sass processor

* update docker build

* fix alt color

* remove endless symbol

* fix tests

* update assets

* remove sass files

* fix docker build

* cleanup spacing

* improve theme

* update test scripts

* update CI workflow

* fix test

.github/workflows/main.yaml

@@ -53,7 +53,6 @@ jobs:
       - name: Run build
         run: |
           npm run build
-          python manage.py compilescss
-          python manage.py collectstatic --ignore=*.scss
+          python manage.py collectstatic
       - name: Run tests
         run: python manage.py test bookmarks.e2e --pattern="e2e_test_*.py"