[def]*.py: normalize docs (#9401)

* [def]*.py: normalize docs

* Update plugins/modules/datadog_monitor.py

Co-authored-by: Felix Fontein <felix@fontein.de>

---------

Co-authored-by: Felix Fontein <felix@fontein.de>

plugins/modules/dnf_config_manager.py

@@ -7,8 +7,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-DOCUMENTATION = r'''
----
+DOCUMENTATION = r"""
 module: dnf_config_manager
 short_description: Enable or disable dnf repositories using config-manager
 version_added: 8.2.0
@@ -43,9 +42,9 @@ options:
 seealso:
   - module: ansible.builtin.dnf
   - module: ansible.builtin.yum_repository
-'''
+"""
 
-EXAMPLES = r'''
+EXAMPLES = r"""
 - name: Ensure the crb repository is enabled
   community.general.dnf_config_manager:
     name: crb
@@ -57,9 +56,9 @@ EXAMPLES = r'''
       - appstream
       - zfs
     state: disabled
-'''
+"""
 
-RETURN = r'''
+RETURN = r"""
 repo_states_pre:
   description: Repo IDs before action taken.
   returned: success
@@ -115,12 +114,12 @@ repo_states_post:
       - crb-debug
       - crb-source
 changed_repos:
-    description: Repositories changed.
-    returned: success
-    type: list
-    elements: str
-    sample: [ 'crb' ]
-'''
+  description: Repositories changed.
+  returned: success
+  type: list
+  elements: str
+  sample: ['crb']
+"""
 
 from ansible.module_utils.basic import AnsibleModule
 import os