Update GitHub Actions workflow for Pages deployment

.github/workflows/static.yml

@@ -0,0 +1,59 @@
+name: Build and Deploy Pages
+on:
+  push:
+    branches: [ main ]   # or your branch
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+  actions: read          # required by deploy-pages@v4
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Show disk usage
+        run: df -h
+
+      - name: Free disk space
+        uses: jlumbroso/free-disk-space@v1.3.1
+        with:
+          tool-cache: true
+          android: true
+          dotnet: true
+          haskell: true
+          large-packages: true
+          docker-images: true
+          swap-storage: true
+
+      - uses: actions/checkout@v5
+        with:
+          fetch-depth: 1
+          filter: 'blob:none'
+          sparse-checkout: |
+            .
+
+      # Example: Jekyll (swap for Hugo/Node/etc.)
+      - uses: ruby/setup-ruby@v1
+        with: { ruby-version: '3.3' }
+      - run: |
+          gem install bundler jekyll
+          bundle install --path vendor/bundle
+          JEKYLL_ENV=production bundle exec jekyll build -d _site
+
+      - name: Upload Pages artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: _site
+
+  deploy:
+    needs: build
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4