User Story:

As a user, I want to be able to

• create an ISO to add nodes to an existing cluster 
• make authenticated API requests to add a new node

so that I can achieve

• cluster expansion ( adding new nodes)
•  

Acceptance Criteria:

Description of criteria:

• Upstream documentation
• Point 1
• Point 2
• Point 3

(optional) Out of Scope:

Detail about what is specifically not being delivered in the story

Engineering Details:

• (optional) https://github/com/link.to.enhancement/
• (optional) https://issues.redhat.com/link.to.spike
• Engineering detail 1
• Engineering detail 2

This requires/does not require a design proposal.
This requires/does not require a feature gate.