🚀 Enhanced README with comprehensive examples and use cases (v1.0.2)

Features added to README:
✨ 30-second quick start example with emojis
📊 Feature comparison table with use cases
🛠️ Advanced usage examples:
  - Price comparison tool with savings calculation
  - Smart price alert system with automation
  - Market analysis dashboard with statistics
  - Bulk product management from CSV
  - Multi-format data export (JSON/CSV)

📚 Comprehensive API documentation:
  - All client configuration methods
  - Product lookup (single, batch, CSV)
  - Current pricing (all retailers, specific, batch)
  - Price history and trend analysis
  - Product monitoring and alert management
  - Usage tracking and analytics

🔧 Best practices and production examples:
  - Error handling with retry logic
  - Rate limiting decorators
  - Configuration management
  - Docker and AWS Lambda deployment
  - Environment variable setup

🌟 Real-world integration examples:
  - E-commerce platform integration
  - Business intelligence dashboard
  - Mobile app backend with Flask

🧪 Testing and development setup
📖 Enhanced documentation with resource links
🎨 Professional formatting with emojis and tables

This release transforms the README from basic documentation into a comprehensive guide with practical examples for developers.

Author: jakemarsh