Caddy v1 的安装
来自：https://github.com/ToyoDAdoubi/doubi 的Caddy v1.0.8 一键安装脚本
安装：wget -N --no-check-certificate https://raw.githubusercontent.com/sancdvs/caddy_install/master/caddy_install.sh && chmod +x caddy_install.sh && bash caddy_install.sh