什么时候支持下，OBB和yolov9

[jia0511]

Env

• GPU, e.g. V100, RTX2080, TX2, Xavier NX, Nano, etc.
• OS, e.g. Ubuntu16.04, Win10, etc.
• Cuda version
• TensorRT version

About this repo

• which branch/tag/commit are you using?
• which model? yolov5, retinaface?

Your problem

• what is your command? e.g. sudo ./yolov5 -s
• what's your output?
• what output do you expect?