sassc from home:pbleser project

For openSUSE Tumbleweed run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:pbleser/openSUSE_Tumbleweed/home:pbleser.repo
zypper refresh
zypper install sassc

For 15.6 run the following as root:

zypper addrepo https://download.opensuse.org/repositories/home:pbleser/15.6/home:pbleser.repo
zypper refresh
zypper install sassc