Clarify in the docs what belongs in portability/
authorChristopher Dykes <cdykes@fb.com>
Sun, 28 May 2017 01:00:35 +0000 (18:00 -0700)
committerFacebook Github Bot <facebook-github-bot@users.noreply.github.com>
Sun, 28 May 2017 01:04:56 +0000 (18:04 -0700)
commit314c43c4f95dc51f2c97d00216be062eebbd5454
tree197680758229e616b8b77c623fa207b1435c1616
parent719b2df9d1996283acaac1d13476bcbc7da42154
Clarify in the docs what belongs in portability/

Summary: This has always been the design rule for what belongs in `folly/portability/`, but was never written down anywhere except in my head, so put it somewhere people can actually find it so I can free that space in my head for other things.

Reviewed By: yfeldblum

Differential Revision: D5140587

fbshipit-source-id: 1f09c17b7ccfff780e1825670a7ffaa75cd1b1d5
folly/portability/README.md