added some improved classes from my custom backend and introduced DAOs

hardware/include/JsonTools.hpp

@@ -2,6 +2,9 @@
 
 #include <ArduinoJson.h>
 #include <HTTPClient.h>
+#include "BME280.hpp"
+#include "MQ7v2.hpp"
+#include "GPS.hpp"
 
 String serializeSensorValue(
     int sensorId,
@@ -12,15 +15,13 @@ String serializeSensorValue(
     const BME280Data_t &bme,
     const MQ7Data_t &mq7,
     const GPSData_t &gps,
-    long timestamp
-);
+    long timestamp);
 
 String serializeActuatorStatus(
     int actuatorId,
     const String &deviceId,
     int status,
-    long timestamp
-);
+    long timestamp);
 
 void deserializeSensorValue(HTTPClient &http, int httpResponseCode);
 void deserializeActuatorStatus(HTTPClient &http, int httpResponseCode);