stackit-cli from home:ojkastl_buildservice:Branch_Cloud_Tools project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:ojkastl_buildservice:Branch_Cloud_Tools/openSUSE_Tumbleweed/home:ojkastl_buildservice:Branch_Cloud_Tools.repo
zypper refresh
zypper install stackit-cli