Create runtime.yml

.github/workflows/runtime.yml

@@ -0,0 +1,27 @@
+name: Runtime
+on:
+  pull_request:
+    branches:
+      - v2-alpha
+    paths:
+      - 'v2/internal/frontend/runtime/**'
+jobs:
+  rebuild-runtime:
+    name: Rebuild the runtime
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 14.17.6
+          cache: 'npm'
+          cache-dependency-path: v2/internal/frontend/runtime/package-lock.json
+      - run: npm install
+        working-directory: v2/internal/frontend/runtime
+      - run: npm run build
+        working-directory: v2/internal/frontend/runtime
+
+      - name: Commit changes
+        uses: elstudio/actions-js-build/commit@v4
+        with:
+          commitMessage: Rebuild runtime