##### SUMMARY
Can functionality be added so that "Associable Object Types" can be configured for a tag category please?

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
vmware_category

##### ADDITIONAL INFORMATION
Perhaps the module could be extended to include a list, examples below;
```
- name: 'Create a Category'
  connection: 'local'
  vmware_category:
    hostname: '{{ ansible_host }}'
    username: '{{ ansible_vcenter_username }}'
    password: '{{ ansible_vcenter_password }}'
    category_name: "sas_luns"
    category_description: "SAS LUNS"
    category_cardinality: 'multiple'
    associable_object_types:
         - Datastore
         - Datastore Cluster
    state: present
    validate_certs: '{{ validate_certs }}'

- name: 'Create a Category'
  connection: 'local'
  vmware_category:
    hostname: '{{ ansible_host }}'
    username: '{{ ansible_vcenter_username }}'
    password: '{{ ansible_vcenter_password }}'
    category_name: "Region 1"
    category_description: "Region"
    category_cardinality: 'multiple'
    associable_object_types:
         - All objects
    state: present
    validate_certs: '{{ validate_certs }}'
```
The type of Associable Object Types in vSphere 6.7 are:
All objects
Folder
Cluster
Datacenter
Datastore
Datastore Cluster
Distributed Port Group
Distributed Switch
Host
Content Library
Library item
Network
Resource Pool
vApp
Virtual Machine

#
from __future__ import absolute_import, division, print_function
__metaclass__ = type
ANSIBLE_METADATA = {
    'metadata_version': '1.1',
    'status': ['preview'],
    'supported_by': 'community'
}
DOCUMENTATION = r'''
---
module: vmware_category
short_description: Manage VMware categories
description:
- This module can be used to create / delete / update VMware categories.
- Tag feature is introduced in vSphere 6 version, so this module is not supported in the earlier versions of vSphere.
- All variables and VMware object names are case sensitive.
version_added: '2.7'
author:
- Abhijeet Kasurde (@Akasurde)
notes:
- Tested on vSphere 6.5
requirements:
- python >= 2.6
- PyVmomi
- vSphere Automation SDK