Migrate react-router as a framework from Vite to RsPack?

[alicerocheman]

For performance, it would seem to be the next best step:

https://rspack.rs/

We're using react-router as a framework for a pretty big web app and we're having performance issues.

React-router is awesome, this is merely a suggestion, if this is not a welcome type of issue I apologize to the team.