Object diff should support more objects (at least notifications and roles)

[fernandorocagonzalez]

Is your feature request related to a problem? Please describe.
The object diff does not support some essential objects of the awx/controller like roles or notifications

Describe the solution you'd like
The object diff should support all objects, or at least roles and notifications

Describe alternatives you've considered
So far the only alternative is to deploy custom scripts in order to purge unwanted objects inside the controller

Additional context
No aditional context required, everything is clearly stated at the documentation (which is great btw) . Ref: https://galaxy.ansible.com/ui/repo/published/infra/controller_configuration/content/role/object_diff/

[djdanielsson]

object diff no longer is in this repo, I will move this issue/request to the correct repo.