kf6-solid from home:Vogtinator:frameworks6 project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:Vogtinator:frameworks6/openSUSE_Tumbleweed/home:Vogtinator:frameworks6.repo
zypper refresh
zypper install kf6-solid