The `/admin` route now directly serves the dashboard page by adding an alias, removing the need for a separate login page at that path.
- Deletes `pages/admin/index.vue` and the `admin-login` layout.
- Aliases `/admin` to `/admin/dashboard` for a more direct entry point.
- Improves the default layout with a sticky footer.
- Updates VSCode settings for better Tailwind CSS IntelliSense.