[community-group] new commits pushed by kaelig

The following commits were just pushed by kaelig to https://github.com/design-tokens/community-group:

* Update CONTRIBUTING.md
  by Kaelig Deloumeau-Prigent
https://github.com/design-tokens/community-group/commit/2e7f5e0a16a86997b8f270a6b993349f178afb64

Received on Tuesday, 3 September 2019 19:35:42 UTC