Integrate health checks and monitoring for the server E5.

[chendiblessing]

Description:
Integrate real-time health checks and monitoring tools to track the status and performance of the DIDComm mediator server. This includes creating health check endpoints, monitoring resource usage, and setting up tools to observe metrics such as CPU load, memory usage, and API response times.

Acceptance Criteria:

Implemented health check endpoints for the server.
Integrated resource monitoring tools for system metrics.
Documented health monitoring configurations.
https://www.youtube.com/watch?v=dcb59H_iLj4
https://www.youtube.com/watch?v=peH95b16hNI