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##### SUMMARY
<!--- Describe the new feature/improvement briefly below -->
This feature would implement a GetManagerServices command for the Manager category of redfish_info, to retrieve a list of NetworkProtocol and their properties, like SSH, Port, Enable or Disable. And also implement a SetManagerServices command for the Manager category of redfish_config, to set NetworkProtocol's properties, like enable/disable SSH, change Port. 

##### ISSUE TYPE
- Feature Idea

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

##### ADDITIONAL INFORMATION
<!--- Describe how the feature would be used, why it is needed and what it would solve -->
These 2 commands would help user to get the status of services or control the status of services Manager provided.  
<!--- Paste example playbooks or commands between quotes below -->
```yaml

```

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

return self.aggregate(self.get_psu_inventory)
    def get_system_inventory(self, systems_uri):
        result = {}
        inventory = {}
        
        properties = ['Status', 'HostName', 'PowerState', 'Model', 'Manufacturer',
                      'PartNumber', 'SystemType', 'AssetTag', 'ServiceTag',
                      'SerialNumber', 'SKU', 'BiosVersion', 'MemorySummary',
                      'ProcessorSummary', 'TrustedModules']
        response = self.get_request(self.root_uri + systems_uri)
        if response['ret'] is False:
            return response
        result['ret'] = True
        data = response['data']
        for property in properties:
            if property in data:
                inventory[property] = data[property]
        result["entries"] = inventory
        return result
    def get_multi_system_inventory(self):
        return self.aggregate(self.get_system_inventory)