Add GitHub Actions workflow for Pages deployment

Author: DhanushNehru

.github/workflows/pages.yml

@@ -0,0 +1,66 @@
+name: Generate Index & Deploy GitHub Pages
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+    paths:
+      - 'skills/**/*.md'
+  workflow_dispatch:
+
+permissions:
+  contents: write
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  generate-and-deploy:
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+
+      - name: Generate skills/index.json from SKILL.md metadata
+        run: |
+          echo "Scanning skills..."
+          python3 scripts/generate-index.py
+
+      - name: Commit updated index.json (if changed)
+        if: github.event_name != 'pull_request'
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+          git add skills/index.json
+          git diff --staged --quiet || git commit -m "chore(auto): regenerate skills/index.json [skip ci]"
+          git push
+
+      - name: Setup Pages
+        if: github.event_name != 'pull_request'
+        uses: actions/configure-pages@v5
+
+      - name: Upload Pages artifact
+        if: github.event_name != 'pull_request'
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: 'docs'
+
+      - name: Deploy to GitHub Pages
+        if: github.event_name != 'pull_request'
+        id: deployment
+        uses: actions/deploy-pages@v4