Removed redundant "numbers" field from Account model and database queries to simplify account structure. Introduced a TutorialWindow class for displaying application tutorials, integrated into the main window, and updated file paths accordingly. Improved string handling and logic in Payment routines and enhanced overall UI structure.
Refactored `DeviceScreener`, `NetworkService`, and event-related logic for improved maintainability and flexibility. Introduced `EventHandler` for thread management and made changes to include configurable URLs via `config.ini`. Modified database schema to support device-level event linking.
Introduced a new "events" table and corresponding EventDAO for managing event data. Enhanced account handling with device ID and partial card number support. Added a NetworkService method to fetch payments from an API and store them as events.
