##### 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

- If set to C(absent) and category exists, then category is deleted.
      - If set to C(absent) and category does not exists, no action is taken.
      - Process of updating category only allows name, description change.
      default: 'present'
      choices: [ 'present', 'absent' ]
      type: str
extends_documentation_fragment: vmware_rest_client.documentation
'''
EXAMPLES = r'''
- name: Create a category
  vmware_category:
    hostname: "{{ vcenter_server }}"
    username: "{{ vcenter_user }}"
    password: "{{ vcenter_pass }}"
    category_name: Sample_Cat_0001
    category_description: Sample Description
    category_cardinality: 'multiple'
    state: present
- name: Rename category
  vmware_category:
    hostname: "{{ vcenter_server }}"
    username: "{{ vcenter_user }}"
    password: "{{ vcenter_pass }}"
    category_name: Sample_Category_0001
    new_category_name: Sample_Category_0002
    state: present
- name: Update category description
  vmware_category:
    hostname: "{{ vcenter_server }}"
    username: "{{ vcenter_user }}"