Add physical key binding

[nejento]

Physical Key Binding

To allow users to map physical hardware keys (like Bluetooth remotes or volume buttons) to specific camera actions, I added functionality of recording the key and binding the action to actions.

Summary:

• Global Foreground Interception: The app intercepts hardware key presses globally when it is in the foreground, ensuring actions trigger instantly regardless of which UI element has focus.
• Binding UI: Added "Bind key" and "Clear" buttons. Tapping "Bind" opens a simple "Press any key" capture dialog.
• Conflict Checks: The system automatically ignores OS keys (like Back or Home). It also prevents you from binding the same key to multiple actions simultaneously.
• Execution: Mapped button presses are "consumed" by the app (preventing default OS behaviors like volume changes) and are configured to ignore long-press repeats so the camera action only fires once per click.

The commits also contain package updates so if that needs to be kept in previous version, it is possible to just remove those files. It was tested before package updates.

This was updated to my liking and my idea of how it should work, of course feel free to ignore, deny or do your preferred changes to the code, it's open to it. I'm greatful that this application actually exist in the first place :D

[Staacks]

Thanks. Looks interesting and usefull. Unfortunately, it will be a while before find the time to review >1000 lines of code...