Describe the issue:
=========================
After Step 7. Click on Local Storage., we should have a step to add the new node in the LocalvolumeDiscovery CR too and not just in Localvolumeset


As per the discussion with Rohan, Santosh and doc team, steps would be provided in this doc

https://drive.google.com/u/0/open?id=1dtHFnY-O7ytiwZFwB9INKPeJd3eHzBoRnprRaRm-46s

and for 4.7, the changes will be directly made
for 4.6, this bug will track the addition of the content

Describe the task you were trying to accomplish:
===============================================

Suggestions for improvement:

Document URL:
==================
https://access.redhat.com/documentation/en-us/red_hat_openshift_container_storage/4.6/html-single/scaling_storage/index#adding-a-node-using-a-local-storage-device_rhocs

Chapter/Section Number and Title:
===================================
3.1.3. Adding a node using a local storage device


Product Version:
====================
4.6 and beyond

Environment Details:
==========================
Common managing guides

Any other versions of this document that also needs this update:
=================================================
4.7

Additional information:
============================
More details in chat discussion in doc review channel

https://chat.google.com/room/AAAAK3AjBdo/QE2kfwgUVNw