xrdp from X11:RemoteDesktop project

对于 openSUSE Tumbleweed，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/X11:RemoteDesktop/openSUSE_Tumbleweed/X11:RemoteDesktop.repo
zypper refresh
zypper install xrdp

对于 15.6，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/X11:RemoteDesktop/15.6/X11:RemoteDesktop.repo
zypper refresh
zypper install xrdp

对于 SLE 15 SP3，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/X11:RemoteDesktop/SLE_15_SP3/X11:RemoteDesktop.repo
zypper refresh
zypper install xrdp

对于 SLE 15 SP2，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/X11:RemoteDesktop/SLE_15_SP2/X11:RemoteDesktop.repo
zypper refresh
zypper install xrdp

对于 SLE 12 SP5，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/X11:RemoteDesktop/SLE_12_SP5/X11:RemoteDesktop.repo
zypper refresh
zypper install xrdp