Add build workflow

Author: damianmalczewski

.github/workflows/build.yml

@@ -0,0 +1,29 @@
+name: Build for Pull Requests
+
+on:
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: 22
+          cache: npm
+
+      - name: Install Dependencies
+        run: npm ci
+
+      - name: Build
+        run: npm run build