Move .clang-format to repo root (#23328)

Summary:
Moves `.clang-format` to repo root to allow for easier discoverability, and integration with auto-format plugins for editors and IDEs.
Pull Request resolved: https://github.com/facebook/react-native/pull/23328

Differential Revision: D13986715

Pulled By: davidaurelio

fbshipit-source-id: fcfda59842da10cd4bc02e4550b74782fbb59e0d
This commit is contained in:
David Aurelio 2019-02-07 04:16:30 -08:00 committed by Facebook Github Bot
parent 5ed749e1b2
commit 5319cb29a8