添加扩展 fourseven:scss：
meteor add fourseven:scss
安装 react：
meteor npm install react@15.3.2 react-dom@15.3.2 --save
安装第三方包：
- ：Runtime type checking for React props and similar objects.
- ：A javascript library for formatting and manipulating numbers.
- []：Effortless animation between DOM changes using the FLIP technique.
meteor npm install prop-types numeral react-flip-move --save