enable github action for gh-pages

.github/workflows/gh-pages.yml

@@ -0,0 +1,35 @@
+name: Github Pages
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  pages:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build the Docker image
+      run: docker build . --file Dockerfile --tag fa-builder
+    - name: build Pages
+      run: |
+        mkdir _site
+        docker run -u $(id -u):$(id -g) -v $(pwd):/workspace fa-builder npm run build
+    - name: Upload GitHub Pages artifact
+      uses: actions/upload-pages-artifact@v1
+    - name: Deploy to GitHub Pages
+      id: deployment
+      uses: actions/deploy-pages@v2
+