Having them as commits like this should make it easier to migrate them
as we update the underlying Kirigami version.
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Our half-assed manual build of Kirigami was becoming completely unmaintainable.
So let's try to use the build method that the Kirigami team recommends. Which
unfortunately requires us to have access to the KDE extra cmake modules (ECM).
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>