Different content for different users?

[gitwittidbit]

Issue description

Hi, is it possible to limit the content certain users can see (e.g. based on age or even on a per medium basis)?

Steps to Reproduce

n/a

Expected Behaviour

Ideally, I would be able to restrict the content individual users have access to.

Actual Behaviour

n/a

Environment Information

• Operating System: TODO
• Streama version: TODO
• Custom streama build, describe customizations or provide link to fork (If Applicable): TODO
• Container Version (If Applicable): TODO