Previously if you were to follow these docs and register two external
services, you would set the Address field on the node. The second
registered service would change the address of the node for the first
service.
Now the docs explain the address key and how to register more than one
external service.
* website: migrate to new nav-data format
* website: clean up unused intro content
* website: remove deprecated sidebar_title from frontmatter
* website: add react-content to fix global style import issue
* Document how users can migrate to CRDs.
* Update documentation for federation with new `ProxyDefaults`
requirement.
* Ensure `controller.enabled: true` is set in our example configs.
* Remove `connect-service-protocol` annotation docs.
Iryna Shustava