update react to 17 code example
Example 1: react 17
npm install react@17.0.0 react-dom@17.0.0
Example 2: react 17
yarn add react@17.0.0 react-dom@17.0.0
npm install react@17.0.0 react-dom@17.0.0
yarn add react@17.0.0 react-dom@17.0.0