Add config from convert_rt_detr_original_pytorch_checkpoint_to_pytorch.py

config.json

@@ -11,7 +11,7 @@
   "attention_dropout": 0.0,
   "auxiliary_loss": true,
   "backbone_config": {
-    "model_type": "rtdetr-resnet",
+    "model_type": "rt_detr_resnet",
     "out_features": [
       "stage2",
       "stage3",