Add windows module for changing the hostname (#40295)

Co-authored-by: Ripon Banik <riponbanik@users.noreply.github.com>

lib/ansible/modules/windows/win_hostname.py

@@ -0,0 +1,48 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+# this is a windows documentation stub.  actual code lives in the .ps1
+# file of the same name
+
+# Copyright: (c) 2018, Ripon Banik (@riponbanik)
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+ANSIBLE_METADATA = {'metadata_version': '1.1',
+                    'status': ['preview'],
+                    'supported_by': 'community'}
+
+DOCUMENTATION = r'''
+---
+module: win_hostname
+version_added: "2.6"
+short_description: Manages local Windows computer name.
+description:
+- Manages local Windows computer name.
+- A reboot is required for the computer name to take effect.
+options:
+  name:
+    description:
+    - The hostname to set for the computer.
+    required: true
+author:
+- Ripon Banik (@riponbanik)
+'''
+
+EXAMPLES = r'''
+- name: Change the hostname to new_hostname
+  win_hostname:
+    name: new_hostname
+'''
+
+RETURN = r'''
+old_name:
+  description: The original hostname that was set before it was changed
+  returned: always
+  type: str
+  sample: old_hostname
+reboot_required:
+  description: Whether a reboot is required to complete the hostname change
+  returned: always
+  type: bool
+  sample: true
+'''