Can someone tell me whether my code is good enough or not? and how can i improve it?

Question

I am learning React.js and made one simple single page app and put it on my github account I need someone to review my code and suggest me any better way to improve my way of writing code

here is link of my code
https://github.com/Chinmay487/react-app

Answer 1

what Now It is good

Answer 2

Tharul Nejana did u checked main branch?