Add tray icon and minimize-to-tray behavior #5
Description
Summary
Add a system tray icon and support minimizing ClickForMe to the tray instead of closing the app window.
Motivation
This would make the app more practical for longer-running desktop workflows.
Scope
- add a tray icon entry point
- support hiding the main window to tray
- provide restore and exit actions from the tray menu
- make sure playback and hotkeys remain understandable while minimized
Acceptance Criteria
- the app can be minimized to the tray
- the tray menu can restore and exit the app
- the normal close flow remains predictable