This commit introduces a comprehensive update to the admin dashboard, adding real-time statistics for users, printers, and jobs. Key features include:
- Live updates for user counts, printer statuses, and job statistics.
- A new loading overlay for better user experience during data fetching.
- Enhanced error handling and notifications for system health checks.
- Introduction of a modal for displaying detailed system status and metrics.
These improvements aim to provide administrators with immediate insights into system performance and operational status, enhancing overall usability and monitoring capabilities.