v2.0.0

Core Systems Implemented:

✅ Basic API Structure
✅ Socket.IO Integration
✅ Database Connection
✅ Authentication

Advanced Systems Added:

✅ Product Publishing System
✅ Inventory Reservation System
✅ Order Processing System
✅ Notification System
✅ Analytics & Reporting

Full Changelog: v1.0.0...v2.0.0