Per the Architecture guidelines (https://github.com/rh-messaging/amq7-documentation-contrib/blob/contrib/internal-resources/a-mq-content-guide.adoc) we want a chapter for Users & Roles added to the Broker guide. This information can be pulled out of the Security chapter.

Chapters 8.1. and 8.2 have this info in there.

The users and roles section is meant to be the essentials of authentication and permissions/access control (authorization). 8.1 and 8.2 currently combine the essentials and deep security info. So, break out the parts about how to create users and roles and put that in its own chapter and then keep the detailed parts in the security chapter.

Please also add the contents of chapter 12 (https://doc-stage.usersys.redhat.com/documentation/en/red-hat-jboss-a-mq/7.0-Beta/single/using-jboss-a-mq-broker/#setting_resource_limits) to this new chapter on Users & Roles.