* Use CodeTabs for examples in multiple formats.
* Ensure correct language on code fences.
* Use CodeBlockConfig for examples with filenames, or which need
highlighted content.
* 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.
Blake Covarrubias