1. Proposed title of this feature request

Document data collected by the Insights Operator.
2. What is the nature and description of the request?

We are currently lacking this https://github.com/openshift/insights-operator/blob/master/docs/gathered-data.md information from our official docs. 
3. Why does the customer need this? (List the business requirements here)
Customer will be able to find the information in central location and benefits from being able to share transparently what data Insights Operator collects upon request of their security departments.
4. List any affected packages or components.

Insights Operator - https://docs.openshift.com/container-platform/4.15/support/remote_health_monitoring/using-insights-operator.html