Fix Ansible documentation in part of example formatting. Part 1 (#332)

* Fix Ansible documentation in part of example formatting

* Fix

plugins/modules/cloud/heroku/heroku_collaborator.py

@@ -47,13 +47,15 @@ notes:
 '''
 
 EXAMPLES = '''
-- heroku_collaborator:
+- name: Create a heroku collaborator
+  heroku_collaborator:
     api_key: YOUR_API_KEY
     user: max.mustermann@example.com
     apps: heroku-example-app
     state: present
 
-- heroku_collaborator:
+- name: An example of using the module in loop
+  heroku_collaborator:
     api_key: YOUR_API_KEY
     user: '{{ item.user }}'
     apps: '{{ item.apps | default(apps) }}'