Provide the user the list of the minimum permissions required to deploy OpenShift on Nutanix.

This work will be done by Nutanix partner engineers and RH OpenShift writers will assist/support Nutanix to update OCP docs https://issues.redhat.com/browse/OSDOCS-5569 

The documentation should include:

1. Minimum permissions required from the Nutanix platform point of view to deploy OpenShift using the Installer or Assisted Installer
2. Minimum permission required from the Nutanix platform point of view to run and operate OpenShift on day-2
3. An explanation on why each permission is required so users can share this information with their infosec teams if required

What are the changes in the AI docs? 

In the Assisted Installer docs, once the updated OCP docs are published, update the section: Chapter 13. Optional: Installing on Nutanix. 

Add a new paragraph after the first intro paragraph in that section. This para should mention the need for account privileges, taking it from some of the content in the Environment requirements and Required account privileges sections https://docs.openshift.com/container-platform/4.13/installing/installing_nutanix/preparing-to-install-on-nutanix.html#installation-nutanix-installer-infra-reqs_preparing-to-install-on-nutanix 

In this para, add a link to the Preparing to install on Nutanix chapter in the OCP docs that has just been published.