- Implement UpdateChecker for version comparison and update notifications
- Add menu options for documentation and update checking
- Enhance AboutWindow with dynamic version display
- Update requirements.txt with new dependencies
- Create infrastructure for opening local documentation
- Improve application menu with additional help options
- Import and integrate AboutWindow class
- Create new "Help" menu with "About Program" option
- Add `open_about()` method to display About window
- Enhance application's help and information accessibility
