Adds a new worksheet

def add_worksheet(self, name=None):
        """ Adds a new worksheet """
        url = self.build_url(self._endpoints.get('get_worksheets'))
        response = self.session.post(url, data={'name': name} if name else None)
        if not response:
            return None
        data = response.json()
        return self.worksheet_constructor(parent=self, **{self._cloud_data_key: data})