- Added `users_permissions` table for managing user permissions.
- Created `PermissionRepository` for handling permission logic.
- Refactored `controls\Users::permissions()` to utilize the new database structure.
- Introduced AJAX endpoint for saving user permissions.
- Enhanced user management UI with permission checkboxes.
- Added vacation management template for handling employee absences.
- Implemented tests for `PermissionRepository`.
- Introduced new backend site management features including the ability to accept, unaccept, save, edit, and display topics and collective topics.
- Added new views for editing and listing collective topics and topics.
- Implemented necessary backend logic in the `BackendSites` and `factory\BackendSites` classes to handle CRUD operations for topics and collective topics.
- Updated the layout to include links for accessing the new backend features based on user permissions.
