freerdp-server from home:ifswirth:Misc_stuff project

对于 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:ifswirth:Misc_stuff/15.6/home:ifswirth:Misc_stuff.repo
zypper refresh
zypper install freerdp-server