Added features:
- Gripper position read/write
- Automatically handle UR3 controller errors
- Auto-reset toggle on/off
- 3D models for collision checking/avoidance
- Minor updates for xml files
- Teleoperation utilities (vpnshift)
- QoL updates for UR logger
- UrDataLog.csv toggle on/off
- DualUR3RealEnv toggle left arm enable/disable
- Additional examples