Setup workflow

.github/workflows/checks.yml

@@ -0,0 +1,24 @@
+name: Run npm on PR
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  run-npm:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v2
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v1
+        with:
+          node-version: "18"
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Run data validation
+        run: npm run validate