chore: update ci to build pr test package

.github/workflows/ci.yml

@@ -155,3 +155,34 @@ jobs:
       - name: Build example for iOS
         run: |
           yarn turbo run build:ios --cache-dir="${{ env.TURBO_CACHE_DIR }}"
+  
+  generate-test-package:
+    runs-on: ubuntu-latest
+    if: github.event_name == 'pull_request'
+    permissions:
+      contents: read
+      pull-requests: write
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Setup
+        uses: ./.github/actions/setup
+
+      - name: Generate tarball
+        run: npm pack
+
+      - name: Upload tarball as artifact
+        id: artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: npm-package
+          path: "*.tgz"
+
+      - name: Comment on PR with package link
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          COMMENT="📦 A new package has been generated: ${{ steps.artifact.outputs.artifact-url }}"
+          PR_NUMBER=$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH")
+          gh pr comment "$PR_NUMBER" --body "$COMMENT"