- Created a new `user_roles.php` file for managing user roles and permissions.
- Implemented pagination, filtering, and sorting for user roles.
- Updated `users.php` to use the new authorization structure for permissions.
- Changed API version from v1 to v2 in `users.php` for user data retrieval.
- Modified `webhook_mollie.php` to include account hierarchy in license creation.
- Refactored invoice generation and email sending logic in `webhook_mollie.php`.
- Introduced a new `webhook_paypal.php` file to handle PayPal webhook notifications.
- Implemented payment status updates and license creation logic in `webhook_paypal.php`.
- Added helper functions for PayPal webhook signature verification and access token retrieval.
- Updated authorization checks in product management, product attributes, configurations, software, and user management files to use 'permissions' for consistency.
- Ensured that all relevant pages correctly check user permissions for read, update, delete, and create actions.
- Adjusted session variable references to align with the new permissions structure across various modules.
- 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.
- Implemented the software tool page with user interface for connecting devices.
- Added functionality to display connection status and software upgrade options.
- Included a help modal with step-by-step instructions for users.
- Integrated error handling and user permission checks.
- Enhanced user experience with dynamic content updates and visual feedback.
- Updated action buttons across multiple files to use icons (e.g., "Save" to "💾+", "Delete" to "X").
- Replaced "Cancel" button text with a left arrow (←) for a more intuitive navigation experience.
- Removed unnecessary action columns from tables to streamline the interface.
- Enhanced table rows to be clickable for better user interaction, redirecting to relevant management pages.
- Adjusted font sizes and styles in CSS for improved readability and aesthetics.
- Standardized back button functionality to use a left arrow across various pages.
