createrepo_c from home:sbahling:createrepo_c project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:sbahling:createrepo_c/openSUSE_Tumbleweed/home:sbahling:createrepo_c.repo
zypper refresh
zypper install createrepo_c