lutris from games:tools project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/games:tools/openSUSE_Tumbleweed/games:tools.repo
zypper refresh
zypper install lutris

For 15.4 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/games:tools/15.4/games:tools.repo
zypper refresh
zypper install lutris

For openSUSE Leap 15.3 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/games:tools/openSUSE_Leap_15.3/games:tools.repo
zypper refresh
zypper install lutris