github创建pull request

参考：https://blog.csdn.net/CY2333333/article/details/113731490

补充：git其他各项bug
【git】使用git时显示untracked files（未监控）解决办法
https://blog.csdn.net/lemonxiaoxiao/article/details/123877161
git push报错 Missing or invalid credentials
https://blog.csdn.net/myWorld001/article/details/124188015
git 设置忽略文件：
https://www.cnblogs.com/zxingduo/p/17411973.html