games-util/gamemode: New ebuild suggestion

games-util/gamemode: New ebuild suggestion

GameMode from Feral Interactive is a systemd daemon allowing games to
adjust the system to performance mode. It is supported by newer Feral
titles and also supports other games by preloading a lib.

Closes: https://bugs.gentoo.org/652906
Package-Manager: Portage-2.3.40, Repoman-2.3.9
Signed-off-by: Kai Krakow <kai@kaishome.de>
Co-authored-by: Mike Lothian <mike@fireburn.co.uk>
Co-authored-by: Erik Badman <erik.badman@yahoo.com>
Signed-off-by: Michał Górny <mgorny@gentoo.org>
Closes: https://github.com/gentoo/gentoo/pull/9700