how to ininstall a js library in react code example

Example: import library react js

// ---- REACT JS -----
// using
<link rel="shortcut icon" href="%PUBLIC_URL%/js/bootstrap.min.js"> </link>
<script src="%PUBLIC_URL%/js/bootstrap.min.js"> </script>

// public
// --- js 
// ------ bootstrap.min.js
// --- css 
// ------ bootstrap.min.css