Added configuration to verify build on PR and commit

.github/workflows/pull-request.yml

@@ -0,0 +1,33 @@
+name: Verify build
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ main ]
+
+
+jobs:  
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [12.x, 14.x, 16.x]
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+
+    - name: Install Dependencies
+      run: npm install
+    - name: Generate .env file
+      run: cp .env.example .env
+    - name: Build
+      run: npm run build