Introduce `BankSettingsWindow` for managing bank data, added `EditBankDialog` for editing bank details, and created reusable `PaddedItemDelegate` for list padding. Refactor DAO to support fetching multiple applications by device ID for improved data handling. Adjust existing components to integrate new bank-related features.
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.
