RSDK-3788 - add getkinematics functionality in arm

[purplenicole730]

No description provided.

[github-actions]

Warning your change may break code samples. If your change modifies any of the following functions please contact @viamrobotics/fleet-management. Thanks!

component	function
base	{'func': 'is_moving'}
board	{'func': 'gpio_pin_by_name', 'comment': 'Note that the pin supplied is a placeholder. Please change this to a valid pin you are using.', 'args': ['"16"']}
camera	{'func': 'get_image'}
encoder	{'func': 'get_position'}
motor	{'func': 'is_moving'}
sensor	{'func': 'get_readings'}
servo	{'func': 'get_position'}
arm	{'func': 'get_end_position'}
gantry	{'func': 'get_lengths'}
gripper	{'func': 'is_moving'}
movement_sensor	{'func': 'get_linear_acceleration'}
input_controller	{'func': 'get_controls'}
audio	{'func': 'get_properties'}
pose_tracker	{'func': 'get_poses'}
motion	{'func': 'get_pose'}
vision	{'func': 'get_classifications_from_camera', 'args': ['YOURCAMERANAME', '1'], 'comment': 'Note that the Camera supplied is a placeholder. Please change this to a valid Camera.'}

[njooma]

LGMT! Just one comment about documentation

[raybjork]

Reviewed from the perspective of the motion team rather than looking at code correctness/quality. A couple questions, but nothing big enough to hold this up over. Thanks for doing this!

[cheukt]

can this PR be renamed RSDK-3788 - XXXX? The readme should also have an updated config json so the arm is part of it and works.
looks great! I would like to see some naming changes to be more consistent with other examples.

[cheukt]

Can you update the example modules readme to reference this new example arm? and its config