Add test build workflow

.github/workflows/test_build.yml

@@ -0,0 +1,23 @@
+name: Run test build
+
+on:
+  # Runs on pull requests targeting the default branch
+  pull_request:
+    branches: ["main"]
+
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Install
+        run: npm install
+      - name: Build 
+        run: npm run build