##### SUMMARY

Add field to ovirt_host_network to configure "Custom Properties" (from oVirt) 

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME

ovirt_host_network

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->
This feature will be used to configure specific options during host's network setup (e.g. custom proprieties for FCoE)

```yaml
- ovirt_host_network:
    name: myhost
    interface: eth0-fcoe
    networks:
      - name: myvlan1
      - name: myvlan2
    custom_proprieties:
      - type: fcoe
        options: "enable=yes,dcb=no,auto_vlan=yes"
```
short_description: Module to manage host networks in oVirt/RHV
version_added: "2.3"
author: "Ondra Machacek (@machacekondra)"
description:
    - "Module to manage host networks in oVirt/RHV."
options:
    name:
        description:
            - "Name of the host to manage networks for."
        required: true
        aliases:
            - 'host'
    state:
        description:
            - "Should the host be present/absent."
        choices: ['present', 'absent']
        default: present
    bond:
        description:
            - "Dictionary describing network bond:"
            - "C(name) - Bond name."
            - "C(mode) - Bonding mode."
            - "C(options) - Bonding options."
            - "C(interfaces) - List of interfaces to create a bond."
    interface:
        description:
            - "Name of the network interface where logical network should be attached."
    networks:
        description:
            - "List of dictionary describing networks to be attached to interface or bond:"