##To add bootstrao code, install below module

npm install react-bootstrap@next bootstrap@5.1.1

https://react-bootstrap.github.io/getting-started/introduction

##Using this theme:

https://bootswatch.com/lux/

Download the bootstrap.min.css and keep in src\ folder and import that in index.js

##To add custom components like NavBar from Bootstrap, use below approach

https://react-bootstrap.github.io , here components tab-->we can get details of other components also from here as sample code like navbar,etc

copied NavBar component to Header.js and edited some values. https://react-bootstrap.netlify.app/components/navbar/#navbars

To add font awesome icons: cdnjs.com --> search for font-awesome and copy the link(link tag text) in index.html And use i tags.