<!--- Verify first that your feature was not already discussed on GitHub -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
Add 'restart' state or restart option to the `ovirt_vm` module.

##### ISSUE TYPE
- Feature Idea

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
ovirt_vm

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->

<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

<!--- HINT: You can also paste gist.github.com links for larger files -->

affinityGroupMappings = list()
    for affinityGroupMapping in module.params['affinity_group_mappings']:
        affinityGroupMappings.append(
            otypes.RegistrationAffinityGroupMapping(
                from_=otypes.AffinityGroup(
                    name=affinityGroupMapping['source_name'],
                ) if affinityGroupMapping['source_name'] else None,
                to=otypes.AffinityGroup(
                    name=affinityGroupMapping['dest_name'],
                ) if affinityGroupMapping['dest_name'] else None,
            )
        )
    return affinityGroupMappings
def _get_affinity_label_mappings(module):
    affinityLabelMappings = list()
    for affinityLabelMapping in module.params['affinity_label_mappings']:
        affinityLabelMappings.append(
            otypes.RegistrationAffinityLabelMapping(
                from_=otypes.AffinityLabel(
                    name=affinityLabelMapping['source_name'],
                ) if affinityLabelMapping['source_name'] else None,
                to=otypes.AffinityLabel(
                    name=affinityLabelMapping['dest_name'],
                ) if affinityLabelMapping['dest_name'] else None,
            )
        )
    return affinityLabelMappings
def _get_domain_mappings(module):