D-70: Add Contract Deployment Monitoring Service

[Nanle-code]

Create a deployment monitoring service that tracks deployment status, provides real-time updates, and alerts on deployment issues or failures.

Proposed Changes:

• Implement deployment tracking
• Add real-time status updates
• Create deployment health checks
• Implement failure detection
• Add deployment alerting
• Create monitoring dashboard

Acceptance Criteria:

• Deployment tracking works
• Real-time status updates
• Health checks
• Failure detection
• Deployment alerting
• Monitoring dashboard

Priority: High
Complexity: Medium
Labels: enhancement, monitoring, deployment