- Removed Admin Panel from SettingsPage and adjusted related logic.
- Added EmailSettings component for SMTP configuration and testing.
- Created admin navigation structure in adminNav.js for better organization.
- Implemented AdminShell layout for consistent admin UI.
- Added RequireAdmin component to protect admin routes.
- Developed AdminHomePage for admin dashboard with navigation links.
- Created AdminSystemPage for SMTP settings and placeholder metadata export.
- Implemented AdminUsersPage for user management, including profile creation and editing.
