v2.2.0

What's changed\n- Added an Exit button to the settings window.\n- Exit closes the entire application and restores the system cursor.\n- Cancel or the window close button only closes settings and keeps the tray app running.\n- OK saves settings and keeps the tray app running.\n\n### Validation\n- Native Win32 x64 build\n- Cursor state tests passed\n- Configuration tests passed