[Lease] Implement Lease CRUD Operations

[NeftaliYagua]

Description

Implement RESTful API endpoints for lease management (Create, Read, Update, Delete operations).

Acceptance Criteria

• POST /api/leases - Create new lease
• GET /api/leases - List leases with pagination and filtering
• GET /api/leases/{id} - Get lease details
• PUT /api/leases/{id} - Update lease
• DELETE /api/leases/{id} - Soft delete lease
• PATCH /api/leases/{id}/activate - Activate lease
• PATCH /api/leases/{id}/terminate - Terminate lease
• Input validation with FluentValidation
• Proper HTTP status codes
• Unit and integration tests
• API documentation in Swagger

Subtasks

• Create LeaseController with CRUD endpoints
• Implement command handlers (CQRS)
• Create query handlers for lease retrieval
• Add input validation
• Implement authorization checks
• Add filtering and sorting
• Create DTOs and mapping profiles
• Write integration tests
• Add API documentation
• Handle concurrency conflicts

Technical Notes

• Use MediatR for CQRS pattern
• Implement repository pattern
• Use AutoMapper for DTO mapping
• Add optimistic concurrency with row version
• Return proper ProblemDetails for errors