Add example of resources + parametrize fixtures

[nicoddemus]

i took a short look at the docs, and i have not found a example of a parameterize + resource managing plugin, i wonder if we should add a example of a small plugin that initializes a resource with pytest configure/unconfigure and manages parameterize/fixtures on a object

Originally posted by @RonnyPfannschmidt in #8200 (reply in thread)

[Amritpal-001]

Hello @nicoddemus, I am interested in working on this issue.

[nicoddemus]

@Amritpal-001 great, thanks! Let us know if there are any question.