async function getConfiguration() {
  logger.debug('Loading MELCloud configuration...');
  const username = await this.gladys.variable.getValue(GLADYS_VARIABLES.USERNAME, this.serviceId);
  const password = await this.gladys.variable.getValue(GLADYS_VARIABLES.PASSWORD, this.serviceId);

  return {
    username,
    password,
  };
}
@description Loads MELCloud stored configuration.
@returns {Promise} MELCloud configuration.
@example
await getConfiguration();