Bump gradio 5.49.1

Drop hub pin (gradio 5)

Launch on 0.0.0.0:7860, show_api=False (HF Spaces binding + schema fix)

Pin huggingface_hub<1.0 (gradio 4 HfFolder compat)

sdk gradio 4.44.1, python 3.10

Add requirements (numpy<2)

Add app.py (Gradio 4 API), fix ants image_write

initial commit