chore: Add Node.js setup and markdown generator dependencies to GitHub Actions workflow

Author: gaurav-nelson

.github/workflows/gh-pages.yml

@@ -26,9 +26,18 @@ jobs:
           hugo-version: '0.133.1'
           extended: true
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: '22'
+
+      - name: Install markdown generator dependencies
+        run: npm install asciidoctor @asciidoctor/reducer downdoc
+
       - name: Build
         run: |
           hugo --minify
+          node utils/generate-md.js
 
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v4