element-desktop from home:dheidler:element project

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

zypper addrepo https://download.opensuse.org/repositories/home:dheidler:element/openSUSE_Tumbleweed/home:dheidler:element.repo
zypper refresh
zypper install element-desktop