add vercel action

.github/workflows/deploy-vercel.yaml

@@ -43,6 +43,5 @@ jobs:
           vercel-token: ${{ secrets.VERCEL_TOKEN }} # Required
           vercel-org-id: ${{ secrets.VERCEL_ORG_ID }} # Required
           vercel-project-id: ${{ secrets.VERCEL_PROJECT_ID }} # Required
-          scope: ${{ secrets.VERCEL_SCOPE }} # Only required for teams (eg. my-team-slug)
           vercel-args: --prebuilt # We want to skip the build step on Vercel, since we've already built our app in the previous step
-          # working-directory: ./packages/site # Optional, use for monorepo
+          working-directory: ./packages/webapp # Optional, use for monorepo