vishalkumar-eng/mernstack ? reverse-engineered prompt

Build me a simple React app in this Vite project that feels like a clean starter site, not a blank template.

I want a polished home screen with a clear heading, a short intro, and a few interactive parts so it actually shows how the app works. If it makes sense, include a small example of React class component state too, since there’s a class state folder in the repo. Keep the UI modern and responsive, with basic styling that looks good on desktop and mobile.

Please wire everything up so it runs right away with the existing setup, and keep the code easy to understand. If you need to check current React or Vite docs online, go for it. Also make sure the app doesn’t feel overbuilt, just a solid, working front end that I can open and see something useful.