rubygem-faraday from home:mschnitzer:ruby:extensions project

需要 openSUSE Tumbleweed ，用 root 執行：

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