Add pyreverse to the list of similar tools

[jonykalavera]

Pyreverse is a command included with pylint that analyzes your source code and generates package and class diagrams.
Since version 2.10.0 it includes a plantuml printer https://pylint.pycqa.org/en/latest/whatsnew/changelog.html?highlight=plantuml#what-s-new-in-pylint-2-10-0