Run 'validate' on all pushes/PRs

.github/workflows/validate.yml

@@ -0,0 +1,22 @@
+name: Validate
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Validate
+        run: npm run validate
+
+