- Updated session variables to use 'authorization' array instead of 'username' for user identification across multiple files.
- Introduced a new function `getUserPermissions` to consolidate user permissions retrieval based on assigned roles.
- Modified API calls to use the new authorization structure and updated endpoints to v2.
- Enhanced language support by adding 'PL' to the list of supported languages.
- Cleaned up redundant code and improved session management during user login and registration processes.
- Added a new API endpoint for fetching user permissions based on user ID.
- Created user_role.php for viewing and editing user roles and their permissions.
- Implemented inline editing for role details and permissions.
- Added user_role_manage.php for creating and managing user roles.
- Introduced user_roles.php for listing all user roles with pagination and filtering options.
- Integrated API calls for fetching and updating role data and permissions.
- Enhanced user interface with success messages and navigation controls.
