systemsettings5 from KDE:Frameworks5:LTS:5.18 project

需要 openSUSE Leap 15.2 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/KDE:Frameworks5:LTS:5.18/openSUSE_Leap_15.2/KDE:Frameworks5:LTS:5.18.repo
zypper refresh
zypper install systemsettings5