constructor(app, options) {
        super(app, options);
        this.#bootOptions = options;
    }
NOTE: this class is not doing much at the moment. It's rather a placeholder to put
any Members API specific functionality into. If there is none in the nearest
future, it would make sense to remove it alltogether.
@constructor
@param {Object} app  Ghost express app instance
@param {Object} options
@param {String} options.apiURL
@param {String} options.originURL