MozillaFirefox from home:dsterba:firefox project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:dsterba:firefox/openSUSE_Tumbleweed/home:dsterba:firefox.repo
zypper refresh
zypper install MozillaFirefox