Register a url (e.g. wallet.gem.co) for

        Args:
          name (str): human-readable wallet name (e.g. wallet)
          domain_name (str): the domain name to create subdomain on (e.g. gem.co)
            this domain must already be registered with Gem

        Returns: The new round.NetkiName

def create(self, name, domain_name):
        """Register a url (e.g. wallet.gem.co) for

        Args:
          name (str): human-readable wallet name (e.g. wallet)
          domain_name (str): the domain name to create subdomain on (e.g. gem.co)
            this domain must already be registered with Gem

        Returns: The new round.NetkiName
        """
        name = self.wrap(self.resource.create(dict(name=name,
                                                   domain_name=domain_name)))

        self.add(name)
        return name