Developers used to Github workflow may be tempted to make a PR change,
and it's important to point them to the guidelines as early as possible
in order to avoid the bounced response.
The message they'll see will look like this:
https://help.github.com/articles/setting-guidelines-for-repository-contributors/
Affects: users making Pull Requests on Github.
Components: none
Change-Id: I5921bb4ae4cb8a28f889f3f20c134ca82784c3f2
--- /dev/null
+Please make sure to follow the [Contributing wiki](https://github.com/KhronosGroup/VK-GL-CTS/wiki/Contributing) instructions.
+
+Note to Khronos members: please submit patches through [Khronos Gerrit](https://gerrit.khronos.org/#/dashboard/self). Github pull requests are for general public only.
!.gitignore
!.editorconfig
!.travis.yml
+!.github