Change the example of playbook include. (#22697)
Change the example of playbook include. (#22697)

This (taken from https://github.com/ansible/ansible-examples/blob/master/language_features/nested_playbooks.yml) is a better example. It makes it clear that the full file name is used, and a single filename, as opposed to a YAML list. The old version, it was not clear if 'list_of_plays' was an *example* or a *variable*.
thaim/ansible,thaim/ansible