Joxer Documentation #2

[MickeyPa]

A subtask of #18 .

Create and update documentation for Iteration 2.

1. Create Sequence Diagrams [Create Joxer AI Sequence Diagrams #34]
2. Create Architecture Diagram [Create Joxer Architecture Diagram #35]
3. Create Class Diagrams [Create Joxer Class Diagrams #36]

[Story Points: 10]
[Risk: Low]
[Priority: High]