- Introduced new API endpoints for managing SMTP email configuration (GET, PUT, POST).
- Implemented email sending functionality using Nodemailer.
- Added middleware to require admin permissions for accessing admin routes.
- Updated admin sidebar navigation to conditionally display items based on admin role.
- Created a new email configuration page in the admin panel with form validation and test functionality.
- Masked sensitive information in API responses.
- Enhanced scheduler execution and task management APIs to require admin permissions.
- Added a new JSON file for desktop topic titles.
