feat: add original_size param to forward() — boxes auto-scaled to image space

fix: override mark_tied_weights_as_initialized to skip BN buffer get_parameter

Fix: set _tied_weights_keys=None to avoid BN buffer/parameter confusion in transformers 5.2

Fix auto_map + sync source files

Add rtmdet-tiny RTMW/RTMDet HF port

Add rtmdet-tiny RTMW/RTMDet HF port

initial commit