Add PR check workflow for automated testing and linting

Author: Frank F. Burmo

.github/workflows/pr-check.yml

@@ -0,0 +1,33 @@
+name: PR Check
+
+on:
+  pull_request:
+    branches: [ "main" ]
+  push:
+    branches-ignore: [ "main" ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22.x'
+          cache: 'npm'
+      
+      - name: Install dependencies
+        run: npm ci
+      
+      - name: Lint
+        run: npm run lint
+      
+      - name: Build
+        run: npm run build
+      
+      - name: Test
+        run: npm run test:run