Update Pages workflow for Node build and GH Pages v4

Switch to Node-based build process, enable Hugo extended, update to
peaceiris/actions-gh-pages v4, and set custom domain.

Author: wangfenjin

.github/workflows/pages.yml

@@ -19,24 +19,30 @@ jobs:
           submodules: true
           fetch-depth: 0
 
-      - name: Setup Hugo
-        uses: peaceiris/actions-hugo@v3
-        with:
-          hugo-version: "latest"
-
       - uses: actions/cache@v4
         with:
           path: ${{ env.HUGO_CACHEDIR }} # <- Use the same env variable just right here
           key: ${{ runner.os }}-hugomod-${{ hashFiles('**/go.sum') }}
           restore-keys: |
             ${{ runner.os }}-hugomod-
 
-      - name: Build
-        run: hugo --minify
+      - name: Setup Hugo
+        uses: peaceiris/actions-hugo@v3
+        with:
+          hugo-version: 'latest'
+          extended: true
+
+      - name: Setup Node
+        uses: actions/setup-node@v6
+      - run: npm install
+      - run: npm run build:production
+      # - name: Build
+      #   run: hugo --minify
 
       - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
+        uses: peaceiris/actions-gh-pages@v4
         if: github.ref == 'refs/heads/main'
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}
           publish_dir: ./public
+          cname: https://www.swanlake.io