> I didn't see anything about this in the repo that everything definitely stays local.
If this is your concern, I'd encourage you to read the code yourself. If you find it meets the bar you're expecting, then I'd suggest you submit a PR which updates the README to answer your question.
If this is your concern, I'd encourage you to read the code yourself. If you find it meets the bar you're expecting, then I'd suggest you submit a PR which updates the README to answer your question.