[Blocker] Fix: Add /admin-app/login route to prevent 404 error

## GitHub Update **Repository:** [MKWcorp/berkomunitas](https://github.com/MKWcorp/berkomunitas) **Author:** multimediadrw **Date:** 2/7/2026, 10:13:14 AM **Commit:** [`28c9ef3`](https://github.com/MKWcorp/berkomunitas/commit/28c9ef393862504cb4b473c8832ea5651a45a052) ### Commit Message Fix: Add /admin-app/login route to prevent 404 error - Create redirect page at /admin-app/login that redirects to /admin-app - Handles both subdomain (admin.berkomunitas.com) and main domain - Fixes production 404 error when accessing admin.berkomunitas.com/admin-app/login - Login functionality is handled by the main /admin-app page --- _This story was imported from historical commits._