URDF Import/Export

[Preliy]

I am exploring the idea of adding URDF import/export functionality to Flange and would love to hear your thoughts.

1. Are you currently using URDF?
2. Would URDF import/export be beneficial in your projects?
3. What specific use cases do you see for URDF in Unity? (e.g., robot model transfer from CAD to Unity, ROS-based simulation, kinematics validation, etc.)
4. Which features would be most valuable in a URDF importer/exporter? (e.g., automatic joint and link setup, material mapping, compatibility with existing Unity physics systems)