Updated Isolated Registry Steps

I have made updates to the original article I wrote about running a completely isolated OCP cluster.

See the following link:

Fully Self-Contained OCP Cluster
đź’ˇTHIS IS A PROOF OF CONCEPT AND IS IN NO WAY A SUPPORTED WAY TO RUN A CLUSTER Some customers are looking at ways of deploying OCP clusters in a manner in which the cluster is totally self-sufficient meaning that once the cluster is built, there is no reliance on