Use automation for creating the RHCOS AMI in GovCloud

[dmc5179]

In the Wiki here: https://github.com/CodeSparta/Wiki/blob/for-repo1/INSTALL.md

There's a link to the OpenShift docs for creating a RHCOS AMI. Perhaps we can take advantage of some automation around this step: https://github.com/dmc5179/rhcos-ami

[usrbinkat]

We will definitely adopt that playbook. Thank you!