chore: add vite example

[gary-van-woerkens]

No description provided.

[garronej]

The LinkProps type depends on the routing library that is beeing used.
This is one of the most powerfull feature of react-dsfr since it enables to integrate with any routing library without any compromise.

The Vite setup uses react-router so the link props expects a to props instead of an href

See: https://react-dsfr.etalab.studio/routing