git init

git add .

git commit -m "commit"

git remote add origin git@github.com:zhangjiahao93/back-calculation.git

git push -u origin master

##新建package.json
npm init

##关联GitHub，在package.json 中添加
{
  "repository": {
    "type": "git",
    "url": "git@github.com:zhangjiahao93/back-calculation.git"
  }
}

## 更新包版本
npm version 1.0.0

## 发布至npm 默认公开
## 参考 https://docs.npmjs.com/cli/publish
npm publish