[DOC] Kafka Bridge for AMQ Streams 1.3

Document the new features for the Kafka Bridge for the AMQ Streams 1.3 release.

Includes

• Updated Release Notes
• Quickstart to send/receive messages – for supported protocols
  • Describes how to use the Kafka Bridge to send messages to and from Kafka for AMQP enabled applications and other supported protocols
  • Assuming set up, run through the requests - walkthrough
  • Could be different with 3scale
  • Consider number of bridge instances
  • Consider authentication used: token and header
• 3scale
  • Version?
  • Alternative deployment option for the Bridge
  • CONCEPTS: Using the Bridge with 3scale
    • What we want to achieve: authentication and security, throttling, TLS and encryption
    • Different types of authentication
  • PROC: Deploying 3scale gateway steps in same openshift cluster
    • Running streams, bridge & 3scale (downstream only)
  • 3scale doc: https://access.redhat.com/documentation/en-us/red_hat_3scale_api_management/2.5/
    • Not required: how to deploy manager
• "Healthy" and "ready" endpoints NOT USER FACING - NO DOC REQUIRED
• New operation: List all subscribed topics - ENTMQST-1234