All topics in a category should be confirmed before publication

[Osama]

This is now complete:

Approve Topics in specific category?

@xrav3nz’s PR has been merged today Thanks for working on this @xrav3nz https://github.com/discourse/discourse/commit/2901691e8766d7a22102e77e27a6dfb2c52ef9ae

FEATURE: per-category approval settings (#5778)