[Feat] Develop ansible module for Hosts using v4

[bhati-pradeep]

Requirements:

• [ ] Hosts info
• [ ] Create, update and delete hosts

Todo:

• [ ] Client SDK, get_spec()
• [ ] Ansible spec & spec validator
• [ ] Unit test, sanity test
• [ ] Integration test
• [ ] Documentation
• [ ] Examples

[bhati-pradeep]

FYI: Only parity with existing v3 based module is expected for 2.0 release. (i.e. info module)