Add documentation for auto-generated controller config for EE builds

[Tompage1994]

    @Tompage1994 I am working on a Blog post and entire Repo to do exactly that, I figured we would add links in the Readme once I get it done. That is what prompted this.

Originally posted by @sean-m-sullivan in https://github.com/redhat-cop/ee_utilities/issues/32#issuecomment-1330730702