Added 'sensor_id' for SNR

connector-model/src/main/java/cz/senslog/connector/model/azure/SensorType.java

@@ -14,7 +14,7 @@ public enum SensorType {
     HUMIDITY        (410010000),
     CO2             (780020000),
     RSSI            (380010000),
-    SNR             (2L),    // TODO fill
+    SNR             (380090000),
     BATTERY_LEVEL   (560030000),
 
     ;