chore: save build artifacts while releasing

Author: ghiscoding

.github/workflows/publish-npm-beta.yml

@@ -59,6 +59,15 @@ jobs:
       - name: Build Library
         run: pnpm build
 
+      - name: Archive build artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: dist folders
+          path: |
+            lib/dist
+            demo/dist
+          retention-days: 5
+          
       - name: Lerna Version 🏷️
         env: 
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}