feat: add GitHub Action to build exampleSite

.github/workflows/hugo.yml

@@ -0,0 +1,61 @@
+name: Deploy to Pages
+
+on:
+  push:
+    branches: ["main"]
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      HUGO_VERSION: 0.124.0
+    steps:
+      - name: Install Hugo
+        run: |
+          wget -O ${{ runner.temp }}/hugo.deb https://github.com/gohugoio/hugo/releases/download/v${HUGO_VERSION}/hugo_extended_${HUGO_VERSION}_linux-amd64.deb \
+          && sudo dpkg -i ${{ runner.temp }}/hugo.deb
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Cache example images
+        id: cache-images
+        uses: actions/cache@v4
+        with:
+          path: ./exampleSite/content
+          key: images-${{ hashFiles('exampleSite/content/**') }}
+      - name: Download example images
+        if: steps.cache-images.outputs.cache-hit != 'true'
+        working-directory: ./exampleSite
+        run: ./pull-images.sh
+      - name: Setup Pages
+        id: pages
+        uses: actions/configure-pages@v4
+      - name: Build with Hugo
+        working-directory: ./exampleSite
+        env:
+          HUGO_ENVIRONMENT: production
+          HUGO_ENV: production
+        run: hugo --gc --minify --baseURL "${{ steps.pages.outputs.base_url }}/"
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./exampleSite/public
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4