Doc fragments to plugins (#50172)

* promote doc_fragments into actual plugins

  change tests hardcoded path to doc fragments
  avoid sanity in fragments
  avoid improper testing of doc_fragments
  also change runner paths
 fix botmeta
 updated comment for fragments
 updated docs

lib/ansible/plugins/doc_fragments/online.py

@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+
+class ModuleDocFragment(object):
+
+    # Standard documentation fragment
+    DOCUMENTATION = '''
+options:
+  api_token:
+    description:
+      - Online OAuth token.
+    aliases: ['oauth_token']
+  api_url:
+    description:
+      - Online API URL
+    default: 'https://api.online.net'
+    aliases: ['base_url']
+  api_timeout:
+    description:
+      - HTTP timeout to Online API in seconds.
+    default: 30
+    aliases: ['timeout']
+  validate_certs:
+    description:
+      - Validate SSL certs of the Online API.
+    default: yes
+    type: bool
+notes:
+  - Also see the API documentation on U(https://console.online.net/en/api/)
+  - If C(api_token) is not set within the module, the following
+    environment variables can be used in decreasing order of precedence
+    C(ONLINE_TOKEN), C(ONLINE_API_KEY), C(ONLINE_OAUTH_TOKEN), C(ONLINE_API_TOKEN)
+  - If one wants to use a different C(api_url) one can also set the C(ONLINE_API_URL)
+    environment variable.
+'''