新建一個git工程：
Git global setup
git config --global user.name "xxx"
git config --global user.email "xxxxx"
Create a new repository
git clone http://git.xxx/x/xxxxxx.git
cd 相應目錄
touch README.md
git add README.md
git commit -m "add README"
git push -u origin master
Existing folder or Git repository
cd existing_folder
git init
git remote add origin http://git.xxxx.com/xxx/xxxx.git
git add .
git commit
git push -u origin master