react-router, I assume. See more on nesting: https://github.com/rackt/react-router/blob/master/docs/guides/overview.md https://github.com/rackt/react-router/bl

react-router, I assume. See more on nesting: https://github.com/rackt/react-router/blob/master/docs/guides/overview.md https://github.com/rackt/react-router/blob/master/docs/guide...