Update Example for React Router with a section for react-router v6.4 and above

[maruhgar]

Is your feature request related to a problem? Please describe.

The current example for React Router does not cover react-router versions 6.4 and above.

Describe the solution you'd like

I would like a section with example for react router 6.4 and above.

Describe alternatives you've considered

There is no alternative.

Additional context

I will raise a pull request for this.