Add Ultralytics ViT Docs (#3230)

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

ultralytics/vit/rtdetr/model.py

@@ -1,6 +1,6 @@
 # Ultralytics YOLO 🚀, AGPL-3.0 license
 """
-# RT-DETR model interface
+RT-DETR model interface
 """
 
 from pathlib import Path

ultralytics/vit/rtdetr/train.py

@@ -1,3 +1,5 @@
+# Ultralytics YOLO 🚀, AGPL-3.0 license
+
 from copy import copy
 
 import torch