This patch adds client-ios to the projects that support commit-msg.
With it we will be able to add a change-id in commit messages
automatically.
See 53048b26 for the initial implementation.

Reviewed-by: Alexandre Viau <alexandre@alexandreviau.net>
Reviewed-by: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
Change-Id: I82bd874aa9d53aaed33330f836e7dc64e51ab827