Add RBAC details to the docs

[sarahmaddox]

The Kubeflow v0.7 blog post has details on aggregated RBAC. It would be good to include them in the docs.

Maybe on this page?
https://www.kubeflow.org/docs/other-guides/multi-user-overview/

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[meizabel]

@sarahmaddox Sarah, and can I take this issue too?

[sarahmaddox]

Actually, we've already updated the docs during the doc sprint, but we tracked the work in a different issue. Thanks for drawing my attention to this one, @meizabel - I'll close this issue now.

/close

[k8s-ci-robot]

@sarahmaddox: Closing this issue.

In response to this:

Actually, we've already updated the docs during the doc sprint, but we tracked the work in a different issue. Thanks for drawing my attention to this one, @meizabel - I'll close this issue now.

/close

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