🔄 Integrate PR #60: Booking System API Endpoints

[ChristianTonny]

📋 Overview

Review, test, and integrate booking system API endpoints from PR #60.

✅ Acceptance Criteria

• PR Implement Core Business Logic APIs for Booking and Technician Management #60 code reviewed and understood
• All booking endpoints tested with Postman
• API endpoints documented
• Database models for bookings verified
• Integration with existing models confirmed

🔧 Expected Endpoints

POST /api/v1/bookings - Create new booking
GET /api/v1/bookings - Get user's bookings
GET /api/v1/bookings/:id - Get specific booking
PUT /api/v1/bookings/:id - Update booking
DELETE /api/v1/bookings/:id - Cancel booking
GET /api/v1/technicians - Get available technicians
PUT /api/v1/technicians/:id/availability - Update availability

⏱️ Estimated Time: 4-6 hours