Creates the settings object that will be sent 
        to the frontend vizualization

def _create_settings(self):
        """ 
        Creates the settings object that will be sent 
        to the frontend vizualization

        """

        self.settings = {
            "columns": [{"Header": s, "accessor": s} for s in self.settings],
            "port": self.port,
            "docs": construct_trie(self.docs)
        }