Bug: Redundant images dirs

[drasko]

What were you trying to achieve?

Inspect the docs

What are the expected results?

There are both diagrams and images directories. Looks like diagrams is redundant. Moreover, images are in different styles - press draw all diagrams with one tool (Excalidraw) so that we can have a unified style.

What are the received results?

Confusing dir structure

Steps To Reproduce

No response

In what environment did you encounter the issue?

GitHub

Additional information you deem important

No response