Upgrade to Gradio 5.50.0 for Python 3.13 compatibility

Upgrade to Gradio 5.50.0 for Python 3.13 compatibility

Fix: pin huggingface_hub==0.24.7 + fix f-string syntax

Fix: pin gradio==4.44.0 + huggingface_hub<0.25 + python 3.10

Fix: add python_version 3.10 for audioop compatibility

Upload README.md with huggingface_hub

Upload requirements.txt with huggingface_hub

Upload app.py with huggingface_hub

initial commit