code: def create_eventhub(self, **kwargs):
          
          eventhub = predix.admin.eventhub.EventHub(**kwargs)
          eventhub.create()
          eventhub.add_to_manifest(self)
          eventhub.grant_client(client_id=self.get_client_id(), **kwargs)
          eventhub.add_to_manifest(self)
          return eventhub
docs: todo make it so the client can be customised to publish/subscribe
          Creates an instance of eventhub service