add workflow

.github/workflows/example.yml

@@ -0,0 +1,54 @@
+name: Build and Deploy packages/example
+env:
+  VERCEL_PROJECT_ID: ${{ secrets.VERCEL_PROJECT_ID }}
+  VERCEL_ORG_ID: ${{ secrets.VERCEL_ORG_ID }}
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: pnpm/action-setup@v4
+      name: Install pnpm
+      with:
+        version: 8.6.1
+        run_install: false
+    - name: Install Node.js
+      uses: actions/setup-node@v3
+      with:
+        node-version: 20
+        cache: 'pnpm'
+    - name: Install node_modules
+      run: pnpm install
+    - name: Install Vercel CLI
+      run: npm install -g vercel@35
+    - name: Link Vercel project
+      run: vercel link --yes --token ${{ secrets.VERCEL_TOKEN }}
+
+    # Preview deployment (for pull requests and non-main pushes)
+    - name: Pull Vercel environment information (Preview)
+      if: github.event_name == 'pull_request' || (github.event_name == 'push' && github.ref != 'refs/heads/main')
+      run: vercel pull --yes --environment=preview --token ${{ secrets.VERCEL_TOKEN }}
+    - name: Build project artifacts (Preview)
+      if: github.event_name == 'pull_request' || (github.event_name == 'push' && github.ref != 'refs/heads/main')
+      run: vercel build --token ${{ secrets.VERCEL_TOKEN }}
+    - name: Deploy to Vercel (Preview)
+      if: github.event_name == 'pull_request' || (github.event_name == 'push' && github.ref != 'refs/heads/main')
+      run: vercel deploy --prebuilt --token ${{ secrets.VERCEL_TOKEN }}
+
+    # Production deployment (for main branch pushes)
+    - name: Pull Vercel environment information (Production)
+      if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+      run: vercel pull --yes --environment=production --token ${{ secrets.VERCEL_TOKEN }}
+    - name: Build project artifacts (Production)
+      if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+      run: vercel build --prod --token ${{ secrets.VERCEL_TOKEN }}
+    - name: Deploy to Vercel (Production)
+      if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+      run: vercel deploy --prebuilt --prod --token ${{ secrets.VERCEL_TOKEN }}