[FEATURE] Build Chatur AI - Complete AI-Powered Learning Platform

# Chatur AI - Smart Learning Companion

> "Chatur Bano, Chatur Se Seekho" - Be smart, learn from the smart!

Inspired by "3 Idiots", but unlike the movie's Chatur who just memorized, our AI helps you truly **UNDERSTAND**.

## What We're Building

An AI-powered learning platform with:
- **AI Tutor** - Personalized explanations in your learning style
- **Quiz Generator** - Auto-create tests from any content
- **Study Planner** - Adaptive scheduling based on performance
- **Weak Spot Detection** - Focus on what you struggle with

## Key Features

- **Multi-format Upload**: PDFs, text, images, YouTube links
- **Adaptive Learning**: AI remembers your struggles and adjusts
- **Real-time Progress**: Track mastery, identify weak areas
- **Gamification**: Streaks, badges, meaningful rewards
- **Bilingual**: English + Hindi support

## Tech Stack

- **Frontend**: React + TypeScript + Tailwind CSS
- **Backend**: FastAPI (Python) + PostgreSQL
- **AI**: OpenAI GPT-4 / Gemini + LangChain
- **Deploy**: Vercel (frontend) + Railway (backend)