[PATCH wayland 1/3] doc: move Contributing

[Daniel Stone]

Hi Pekka,

On Wed, 13 Jun 2018 at 14:33, Pekka Paalanen <ppaalanen at gmail.com> wrote:
> Gitlab expects a CONTRIBUTING.md in the root directory, so move our
> guide there.
>
> Conversion to proper markup is a follow-up patch.

Thanks for these; both series are:
Reviewed-by: Daniel Stone <daniels at collabora.com>

Cheers,
Daniel