Initial CI

.github/workflows/sync.yml

@@ -0,0 +1,19 @@
+name: Sync
+
+on:
+  # schedule:
+  #   - cron: '0 13 * * *'
+  workflow_dispatch:
+
+jobs:
+  sync:
+    name: Sync with mozilla-central
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 1
+      - run: |
+          ./init.sh style
+          git -C style remote set-url origin "$(git remote get-url origin)"
+          git -C style push