ft2demos from home:jsulig:devel:LoongArch:Factory project

需要 standard ，用 root 執行：

zypper addrepo https://download.opensuse.org/repositories/home:jsulig:devel:LoongArch:Factory/standard/home:jsulig:devel:LoongArch:Factory.repo
zypper refresh
zypper install ft2demos