Upload-only: remove YouTube (DNS blocked on HF free tier), show clear message

Restore YouTube URL input with yt-dlp

Remove YouTube download (blocked on HF), upload-only

Remove GFPGAN to fix Python 3.13 build failure (basicsr incompatible)

Fix basicsr Python 3.13 compatibility via git install

Add Gradio app, requirements, and system packages

Add face swap notebook and README

initial commit