Add initial CI configuration

Author: dzhlobo

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+    branches: [main]
+
+jobs:
+  verify-dist:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/setup-buildx-action@v3
+      - uses: ./
+        with:
+          volumes: |
+            node_modules: ${{ hashFiles('package-lock.json') }}
+      - run: bin/setup
+      - run: bin/npm run build
+      - name: Check for uncommitted changes
+        run: |
+          if [ -n "$(git status --porcelain dist/)" ]; then
+            echo "::error::dist/ is out of date. Run 'npm run build' and commit the changes."
+            git diff dist/
+            exit 1
+          fi