add sass create react app code example

Example 1: node sass version react

yarn add node-sass@4.14.1

Example 2: add sass to react

npm install node-sass --save-dev

Example 3: scss in react app

$ npm install node-sass --save$ # or$ yarn add node-sassCopy

Example 4: React Sass

$myColor: red;

h1 {
  color: $myColor;
}