ui: make disclaimer a visible yellow banner in the Gradio header

docs: add research/testing disclaimer to Gradio UI header

docs: add HF Spaces link and research/testing disclaimer

docs: restructure README with proper original author credit

feat: pre-download models at startup + ZeroGPU support

fix: upgrade to Gradio 5.25.0 to resolve HfFolder import error with transformers 5.x

fix: pin huggingface-hub<0.25.0 to fix HfFolder import error

Upload assets/prompt.wav with huggingface_hub

Upload assets/architecture.png with huggingface_hub

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Upload app.py with huggingface_hub

initial commit