* Swap joystick surge/heave mapping in manual, stabilized and acro modes to make it similar to position modes
* docs: update UUV/BlueROV2 modes and joystick mapping
* Document basic control axes and joystick mapping
Added basic control axes and stick mapping for BlueROV2.
* Fixed formatting issue
* Enhance clarity of control axes and stick mapping
Clarified descriptions of motion axes and joystick controls for BlueROV2.