feat: upgrade to advanced counting system with RT-DETR and proper line crossing

fix: syntax

fix: proper f-string escaping

fix: f-string newlines

fix: use gr.Blocks with api_name=False

fix: disable API docs to bypass gradio_client bug

fix: downgrade to gradio 4.x

Update app.py

fix: pin gradio versions to resolve API schema compatibility issue

Upload examples/mall.mp4 with huggingface_hub

Upload examples/street.mp4 with huggingface_hub

Upload folder using huggingface_hub

initial commit