Joint system

This part includes the APIs for setting up joint systems.

Common imports for joints

from pxr import UsdPhysics

Create joints

component = UsdPhysics.FixedJoint.Define(stage, joint_path)
component = UsdPhysics.RevoluteJoint.Define(stage, joint_path)
component = UsdPhysics.PrismaticJoint.Define(stage, joint_path)