At the main index.html file in the head section past the following CDN
<link href="<https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css>" rel="stylesheet" integrity="sha384-eOJMYsd53ii+scO/bJGFsiCZc+5NDVN2yr8+0RDqr0Ql0h+rP48ckxlpbzKgwra6" crossorigin="anonymous">
<script src="<https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js>" integrity="sha384-JEW9xMcG8R+pH31jmWH6WWP0WintQrMb4s7ZOdauHnUtxwoG2vI5DkLtS3qm9Ekf" crossorigin="anonymous"></script>
//or
npm install bootstrap@next
//"styles": "node_modules/bootstrap/dist/css/bootstrap.min.css"
// "scripts": ["node_modules/bootstrap/dist/js/bootstrap.min.js"]
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