kapptemplate from openSUSE:ALP:Experimental:Slowroll:Staging project

需要 standard ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/openSUSE:ALP:Experimental:Slowroll:Staging/standard/openSUSE:ALP:Experimental:Slowroll:Staging.repo
zypper refresh
zypper install kapptemplate