<!--- 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 -->
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 -->

from __future__ import absolute_import, division, print_function
__metaclass__ = type
import json
from ansible.module_utils.urls import open_url
from ansible.module_utils._text import to_text
from ansible.module_utils.six.moves import http_client
from ansible.module_utils.six.moves.urllib.error import URLError, HTTPError
GET_HEADERS = {'accept': 'application/json', 'OData-Version': '4.0'}
POST_HEADERS = {'content-type': 'application/json', 'accept': 'application/json',
                'OData-Version': '4.0'}
PATCH_HEADERS = {'content-type': 'application/json', 'accept': 'application/json',
                 'OData-Version': '4.0'}
DELETE_HEADERS = {'accept': 'application/json', 'OData-Version': '4.0'}
class RedfishUtils(object):
    def __init__(self, creds, root_uri, timeout, module):
        self.root_uri = root_uri
        self.creds = creds
        self.timeout = timeout
        self.module = module
        self.service_root = '/redfish/v1/'
        self._init_session()
    
    def get_request(self, uri):