Add UI elements to control robot wheel base.

[SpaceVR-O1]

Possible UI Input Solutions:

1. Floating Virtual Joystick (see Mission ISS VR game and Mexico Software)
2. Unique VMG Lite glove finger configuration

Possible UI Output Elements:

1. CGI arrow pointing in forward wheel direction

Robot needs to move like a tank (i.e. Turn in place with zero cm turning radius, move forward, and move backwards)