[Docs]: Add documentation for "groups" Jinja2 inventory option?

[schmitmd]

ISSUE TYPE

• Documentation update

SOFTWARE VERSIONS

Ansible:

2.10.7

Netbox:

2.10.4

Collection:

SUMMARY

https://docs.ansible.com/ansible/latest/collections/netbox/netbox/nb_inventory_inventory.html#parameter-groups does not have any examples in the latest documentation. Please add something there so people know how to use that directive.

STEPS TO REPRODUCE

n/a

EXPECTED RESULTS

Example of how to use groups: inventory option

ACTUAL RESULTS

No example shown