rubygem-listen from home:mschnitzer:ruby:extensions 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:mschnitzer:ruby:extensions/openSUSE_Tumbleweed/home:mschnitzer:ruby:extensions.repo
zypper refresh
zypper install rubygem-listen

对于 15.4，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:mschnitzer:ruby:extensions/15.4/home:mschnitzer:ruby:extensions.repo
zypper refresh
zypper install rubygem-listen

对于 15.3，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:mschnitzer:ruby:extensions/15.3/home:mschnitzer:ruby:extensions.repo
zypper refresh
zypper install rubygem-listen

对于 SLE 15 SP4，请以根用户 root 运行下面命令：

zypper addrepo https://download.opensuse.org/repositories/home:mschnitzer:ruby:extensions/SLE_15_SP4/home:mschnitzer:ruby:extensions.repo
zypper refresh
zypper install rubygem-listen