relieve strict dep version on huggingface-hub (#7)

Adding scipy and requests dependencies

Removing yt-dlp dep

Refactor marionette into modules, fix audio sync, improve tests

Add test documentation, runner script, and coverage matrix

Add create_app() factory and fix preferred_duration persistence bug

Add required dependency (#4)

Fixed community dataset download

add HF sync flow, native audio capture, and dataset UX polish

First working version. wip

Initial commit