Summary:
TLDR even more docs changes
So I created a More Resources doc that aggregates the high-quality-but-off-site stuff. Let's try to put more outlinks there. Also I removed the stuff on Support that was not support, and some misc changes to clean stuff up.
Closes https://github.com/facebook/react-native/pull/8329
Differential Revision: D3471669
Pulled By: JoelMarcey
fbshipit-source-id: 54edd543ced1b3a8f3d0baca5475ac96bae6e487
Kevin Lacker