[Enhancement] Quick Start Guides: cleanup, and verify image are missing

[scraly]

Page link

https://kyverno.io/docs/introduction/quick-start/

Description

in the quick start guide documentation page, it said that several rule types are existing including cleanup, and verify image but we don't have any concrete explanation and example of these rule types in this quick start guide.

It can help newcomers :)

[welcome[bot]]

Thanks for opening your first issue here! Be sure to follow the issue template!

[scraly]

In the documentation website I just clicked on "Create documentation issue". If it's not the good template, please fix the links :) .