[PATCH] D145413: [docs] Update README and GettingStarted

[Fangrui Song via Phabricator via llvm-commits]

MaskRay added a comment.

Seems fine to land if nobody else has an opinion in one or two days.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145413/new/

https://reviews.llvm.org/D145413