weights: pure-PyTorch port of Sense-X/UniFormer top_down_256x192_global_small (GDrive 162R0JuT... via scripts/convert_uniformer_pose.py)

data: acaua_task=pose, COCO-17 keypoint schema, detector_repo_id pin

docs: add Apache-2.0 LICENSE per s4(a)

docs: add NOTICE attribution per Apache-2.0 s4(d) (code AND weights)

docs: acaua mirror model card with code+weights provenance

initial commit