Documentation for Couchbase Service Broker

Create the documentation page on couchbase.com under Couchbase Autonomous Operator 

that will include below sections. For the contents of the documentation please refer the github link mentioned below. 

• Intro
• Installation
• Upgrade
• Lifecycle Mgmt
• Uninstall

https://github.com/couchbase/service-broker/blob/master/documentation/modules/ROOT/pages/index.adoc