async function getSignals() {
    const data = await gladys.gateway.getEcowattSignals();
    // Compose a slimed response
    const response = {
      today: null,
      days: [],
    };
    const today = dayjs();
    const todayDate = today.tz('Europe/Paris').format('YYYY-MM-DD');
    const tomorrow = today.add(1, 'day');
    const tomorrowDate = tomorrow.tz('Europe/Paris').format('YYYY-MM-DD');

    data.signals.forEach((day) => {
      const signalDate = dayjs(day.jour).format('YYYY-MM-DD');
      if (signalDate === todayDate) {
        response.today = day;
      }
      if (signalDate === tomorrowDate) {
        response.tomorrow = day;
      }
      response.days.push({
        jour: day.jour,
        dvalue: day.dvalue,
      });
    });
    return response;
  }
@description Return ecowatt data formatted.
@returns {Promise<object>} - Return ecowatt data.
@example const data = await getSignals();