rubygem-asciidoctor from home:Pharaoh_Atem:CS9EPELDev project

对于 CentOS 9，请以根用户 root 运行下面命令：

cd /etc/yum.repos.d/
wget https://download.opensuse.org/repositories/home:Pharaoh_Atem:CS9EPELDev/CentOS_9/home:Pharaoh_Atem:CS9EPELDev.repo
yum install rubygem-asciidoctor