zerofree from home:frispete:15.2 project

需要 openSUSE Leap 15.2 ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:frispete:15.2/openSUSE_Leap_15.2/home:frispete:15.2.repo
zypper refresh
zypper install zerofree