tree 6e608208cebd6315e6915017cf0bc15e3a093551
parent 9d1c62574648dcae2d443d0bf1092739926801d5
author Masayuki Igawa <masayuki@igawa.io> 1567581943 +0900
committer Masayuki Igawa <masayuki@igawa.io> 1567604657 +0000

Add a CONTRIBUTING file

GitHub likes repos to have a CONTRIBUTING file. It will use this to
point people to the right place for how to contribute to this project.

Change-Id: Iad714c168dd8c476d8f99f131e3b7a998d165fc5