Documentation allow anyone to pull from package registry
Context
This is a follow-up issue from !104350 (merged) where a toggle is added to allow anyone to pull from the package registry in Settings > General > Visibility:
Problem
In order to describe the feature in more detail, it would be helpful to link out to the documentation to explain what exactly the capabilities are.
Proposal
Add documentation explaining this feature to the docs site and link to it from the second / lower toggle