* removed commented out parts
* changed the height controller to work in Altitude mode and moved the controller to the uuv_pos_control.hpp instead of uuv_att_control.hpp
* Updated format changes etc. Removed one parameter, that is not used anymore(UUV_HGT_MODE) added my correct email
* added a rotation to the thrust, that with different roll and pitch values, x y z thrust is still working as if roll/pitch is zero.
* fixed constant roll/pitch to be 0.0 again
* added parameter for maximum distance between controlled des height and current height.
Added state observation to reset the desired height to current height when altitude mode is turned on.
* added first short descriptions of manual modes.
* update descriptions
* removed vector dependency
* feat: updated gz submodule
* fix: newline
* fix: gz submodule
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Co-authored-by: Pedro Roque <roque@caltech.edu>