Provide the ability to report on specific clusters

[tpcarman]

Is your feature request related to a problem? Please describe.
Provide the ability to generate a vSphere as-built report for specific named clusters within an environment.

Describe the solution you'd like
Provide the ability for users to provide cluster names within the report JSON configuration file to filter results of the generated report.

"Filter": {
    "Cluster": ["Prod-Cluster","Dev-Cluster","QA-Cluster"]
}

Describe alternatives you've considered
No other alternatives have been considered at this point.

Additional context
Reports will contain information only related to the specified cluster names.