Sketch 3 to Unity plug-in?

Hello,

I've discovered a plug-in to import a Photoshop (PSD) file to Unity that updates the file automatically inside Unity when it changes in Photoshop.
https://github.com/Banbury/UnityPsdImporter

Does anyone knows if something like this exists for Sketch 3?
https://www.sketchapp.com

Thank you very much,
Philippe Côté