Switch to React Router once v7 is released

[trivikr]

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

The notes app uses @reach/router which was put on path of deprecation in favor of React Router
Post from May 17th, 2019 https://reacttraining.com/blog/reach-react-router-future/

Describe the solution you'd like

Switch to Reach Router once v6 stable version is released.
As of June 2020, it's in beta https://github.com/ReactTraining/react-router/releases/tag/v6.0.0-beta.0

Describe alternatives you've considered

Stick with @reach/router, as it continues to get bugfixes.

[trivikr]

React Router v6 is expected to be released by September 2021 as per the updates in remix-run/react-router#7613

[trivikr]

React Router v6 was released on Nov 3, 2021
Blog post: https://remix.run/blog/react-router-v6

[trivikr]

Upgrade instructions from Reach Router v1 to React Router v6 https://reactrouter.com/docs/en/v6/upgrading/reach

[trivikr]

React Router is now merged with Remix

• Announcement from May'25 https://remix.run/blog/merging-remix-and-react-router
• Docs for v7 https://reactrouter.com/dev/home