* docs: Removal of Consul vs ZooKeeper
Although Consul does have a KV, we are not positioning Consul as a first class KV store versus other alternatives such as etcd or Zookeeper. Will remove this since this has not been updated with further analysis since this content was created.
* Removing from Zookeeper analysis Navbar
* Removing Zookeeper analysis from redirects
* 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
David Yu