function buildFeatureThermSetpointTemperature(name, externalId) {
  return {
    name: `Setpoint temperature - ${name}`,
    external_id: `${externalId}:therm_setpoint_temperature`,
    selector: `${externalId}:therm_setpoint_temperature`,
    category: DEVICE_FEATURE_CATEGORIES.THERMOSTAT,
    type: DEVICE_FEATURE_TYPES.THERMOSTAT.TARGET_TEMPERATURE,
    unit: DEVICE_FEATURE_UNITS.CELSIUS,
    read_only: false,
    keep_history: true,
    has_feedback: false,
    min: 5,
    max: 30,
  };
}
@description Transforms Netatmo feature as Gladys feature. Temperature setpoint.
@param {string} name - Name device from Netatmo.
@param {string} externalId - Gladys external ID.
@returns {object} Gladys feature or undefined.
@example
buildFeatureThermSetpointTemperature(device_name, 'netatmo:device_id');