Vehicle-specific wheel setup
Editor Properties: (see get_editor_property/set_editor_property)
additional_offset(Vector): [Read-Write] Additional offset to give the wheels for this axle.
bone_name(Name): [Read-Write] Bone name on mesh to create wheel at
disable_steering(bool): [Read-Write] Disables steering regardless of the wheel data
wheel_class(type(Class)): [Read-Write] The wheel class to use