Create build.yml

.github/workflows/build.yml

@@ -0,0 +1,37 @@
+name: Build example page
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        node-version: [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: Build assets
+      run: |
+        npm install
+        npm run build --if-present
+
+    - name: Build GitHub Pages
+      # You may pin to the exact commit or the version.
+      # uses: crazy-max/ghaction-github-pages@a117e4aa1fb4854d021546d2abdfac95be568a3a
+      uses: crazy-max/ghaction-github-pages@v2.6.0
+      with:
+        build_dir: dist
+        jekyll: false