Pekka Paalanen authored Sep 27, 2021 and Pekka Paalanen committed Sep 28, 2021

Set up the usual project rules, following what wayland-protocols and
wayland use.

Granting permissions is eased given this is mostly for documentation.

Signed-off-by: Pekka Paalanen <pekka.paalanen@collabora.com>