docs: rename models/README.md to models/modelREADME.md to avoid confusion with root README

deploy_to_jetson.py

@@ -1,7 +1,7 @@
 import paramiko
 import os
 
-# Production loads .engine weights from models/ (see models/README.md).
+# Production loads .engine weights from models/ (see models/modelREADME.md).
 # .pt/.onnx stay local-only (dev/export) — not synced to save bandwidth.
 MODEL_ENGINES = [
     "v4-best.engine",