Mavlink gimbal support

[mmosca]

• Allow overriding of rc channels when Headtracking mode is active.
• Send fc status for gimbal to help with gimbal stablization with big movements.

TODO:

• [ ] Map estimator_status correctly
• [ ] Add yaw ff info
• [ ] Test with headtracker input
• [ ] Verify units

[dzaro-dev]

Hi @mmosca , I have the gimbal, let me know how I can test it fi you would like some testing and feedback.

[xznhj8129]

This was never finished was it? With more mavlink implemented as well as POI tracking on the way it could be worth revisiting this, it might pay to implement the camera microservice