Add sample for the new Tanstack React Router

[MelvinVermeer]

Describe the feature request?

There are good examples for react router v5 and v6, but not yet for the Tanstack Router

New or Affected Resource(s)

Documentation / Examples

Provide a documentation link

No response

Additional Information?

I did want to create a PR however i was unable to do a yarn install/build (even on a clean codespace) so I created my own example over on this repo.

https://github.com/MelvinVermeer/okta-react-samples/tree/tanstack-router