github文件加速

# 仓库克隆
git clone https://github.com/kubernetes/kubernetes.git
#改为
git clone https://github.com.cnpmjs.org/kubernetes/kubernetes.git

#资源文件下载
wget https://raw.githubusercontent.com/kubernetes/kubernetes/master/README.md
#替换为
wget https://raw.githubusercontents.com/kubernetes/kubernetes/master/README.md