shutdown() {
        return new Promise((resolve, reject) => {
            Logger.debug("Webserver shutdown in progress...");
            this.robotRouter.shutdown();
            this.valetudoRouter.shutdown();

            //closing the server
            this.webserver.close(() => {
                Logger.debug("Webserver shutdown done");
                resolve();
            });
        });
    }
Shutdown webserver

@public
@returns {Promise<void>}