[refine] Server State - Diagnostic Session #94

Requires

#93

Description

As a user, I would like to have ready to use Diagnostic Session State, so I can easily add it to my server simulation.

Test Strategy

Unit Tests:

• 100% coverage for synchronoous code

Accetance Criteria

• standard diagnostic session state implementation is ready to use with a simple configuration
• user documentation (with examples) is provided