Github Usage
## 删除
git rm --cached -r useless
git commit -m "remove directory from remote repository" # must neede
git push## 上传
git init
git add files/
git commit -m 'readme.txt'
git remote rm origin
git remote add origin git@xxxx
git pull origin master
git push -u origin master大型文件可以放到网盘，然后给一个下载链接到readme中