DEV: Add stylelint config

.github/workflows/linting.yml

@@ -77,6 +77,10 @@ jobs:
         if: ${{ !cancelled() }}
         run: pnpm lint:hbs
 
+      - name: Stylelint
+        if: ${{ !cancelled() }}
+        run: pnpm lint:css
+
       - name: English locale lint (core)
         if: ${{ !cancelled() }}
         run: bundle exec ruby script/i18n_lint.rb "config/**/locales/{client,server}.en.yml"

stylelint.config.mjs

@@ -0,0 +1,12 @@
+export default {
+  extends: "stylelint-config-standard-scss",
+  rules: {
+    "selector-class-pattern": null,
+    "custom-property-pattern": null,
+    "no-descending-specificity": null,
+    "scss/load-no-partial-leading-underscore": null,
+    "selector-id-pattern": null,
+    "scss/dollar-variable-pattern": null,
+    "keyframes-name-pattern": null,
+  },
+};