Removing sensitive data from a repository
https://help.github.com/en/articles/removing-sensitive-data-from-a-repository
从一个git仓库迁移到另外一个git仓库
https://www.jianshu.com/p/6325f54d9e22
git 本地项目添加多个远程仓库
https://blog.csdn.net/mengzuchao/article/details/80489864
原文：https://www.cnblogs.com/armme/p/10560926.html