README best practices

The README is the first thing people see in your repo. A good one says what the project is, how to run it, and what it looks like. Add a screenshot or live link. Recruiters often skim READMEs.

# Project Name

One sentence about what it does.

[Live Demo](https://myapp.vercel.app)

![Screenshot](public/screenshot.png)

## Tech Stack
Next.js, TypeScript, Tailwind CSS

## Getting Started
```bash
npm install
npm run dev
```

## Features
- Feature one
- Feature two