Add github action

Author: codegaze

.github/workflows/deploy.yml

@@ -0,0 +1,53 @@
+name: pages build and deployment
+
+on:
+  push:
+    branches: [migrate-to-11ty]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: true
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Setup Node
+        uses: actions/setup-node@v4
+        with:
+          node-version: "lts/*"
+          cache: "npm"
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v5
+      - name: Setup WireIt caching
+        uses: google/wireit@setup-github-actions-caching/v2
+      - name: Install dependencies
+        run: npm ci
+      - name: Build
+        env:
+          PAGES_BASE_URL: ${{ steps.pages.outputs.base_url }}
+        run: npm run build
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    needs: build
+    runs-on: ubuntu-latest
+    name: Deploy
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4