mono-addins from home:Simmphonie:mono project

需要 openSUSE Tumbleweed ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:Simmphonie:mono/openSUSE_Tumbleweed/home:Simmphonie:mono.repo
zypper refresh
zypper install mono-addins