utilities: Clean up parameter types and add seealso (#53063)

* utilities: Clean up parameter types and add seealso

* Add inventory modules

* Add more references, clarify with-loops

lib/ansible/modules/utilities/logic/import_playbook.py

@@ -1,27 +1,27 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
+
 # Copyright:  Ansible Project
 # GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
 from __future__ import absolute_import, division, print_function
 __metaclass__ = type
 
-
 ANSIBLE_METADATA = {
     'metadata_version': '1.1',
     'status': ['preview'],
     'supported_by': 'core'
 }
 
-
-DOCUMENTATION = '''
+DOCUMENTATION = r'''
 ---
 author: Ansible Core Team (@ansible)
 module: import_playbook
 short_description: Import a playbook
 description:
   - Includes a file with a list of plays to be executed.
-  - Files with a list of plays can only be included at the top level. You cannot use this action inside a play.
+  - Files with a list of plays can only be included at the top level.
+  - You cannot use this action inside a play.
 version_added: "2.4"
 options:
   free-form:
@@ -29,9 +29,16 @@ options:
       - The name of the imported playbook is specified directly without any other option.
 notes:
   - This is a core feature of Ansible, rather than a module, and cannot be overridden like a module.
+seealso:
+- module: import_role
+- module: import_tasks
+- module: include_role
+- module: include_tasks
+- ref: playbooks_reuse_includes
+  description: More information related to including and importing playbooks, roles and tasks.
 '''
 
-EXAMPLES = """
+EXAMPLES = r'''
 - hosts: localhost
   tasks:
     - debug:
@@ -49,8 +56,8 @@ EXAMPLES = """
 
     - name: This fails because I'm inside a play already
       import_playbook: stuff.yaml
-"""
+'''
 
-RETURN = """
+RETURN = r'''
 # This module does not return anything except plays to execute.
-"""
+'''