Fix models in environment service and add more SignalR messaging

Environment/Service/Models/Indoor/DeviceMessage.cs

@@ -16,17 +16,24 @@ public class DeviceMessage
     [JsonPropertyName("timestamp")]
     public required DateTimeOffset Timestamp { get; set; }
 
+    [JsonPropertyName("air_quality_index")]
     public decimal AirQualityIndex => Readings.AirQualityIndex;
 
+    [JsonPropertyName("color_temperature")]
     public decimal ColorTemperature => Readings.ColorTemperature;
 
+    [JsonPropertyName("gas_resistance")]
     public decimal GasResistance => Readings.GasResistance;
 
+    [JsonPropertyName("humidity")]
     public decimal Humidity => Readings.Humidity;
 
+    [JsonPropertyName("luminance")]
     public decimal Luminance => Readings.Luminance;
 
+    [JsonPropertyName("pressure")]
     public decimal Pressure => Readings.Pressure;
 
+    [JsonPropertyName("temperature")]
     public decimal Temperature => Readings.Temperature;
 }