AlexaHandler = function AlexaHandler(gladys, serviceId) {
  this.gladys = gladys;
  this.serviceId = serviceId;
}
@description Add ability to connect to Alexa.
@param {object} gladys - Gladys instance.
@param {string} serviceId - UUID of the service in DB.
@example
const alexaHandler = new AlexaHandler(gladys, serviceId);