Add default Command to each

PlantBox.Shared/Communication/Commands/CaptorsRequest.cs

@@ -7,6 +7,8 @@ namespace PlantBox.Shared.Communication.Commands
 {
     public class CaptorsRequest : CommandSerializable<CaptorsRequest>
     {
+        public override Command Command => Command.Captors;
+
         public override CaptorsRequest Deserialize(string[] arguments)
         {
             return this;

PlantBox.Shared/Communication/Commands/CaptorsResponse.cs

@@ -8,6 +8,8 @@ namespace PlantBox.Shared.Communication.Commands
 {
     public class CaptorsResponse : CommandSerializable<CaptorsResponse>
     {
+        public override Command Command => Command.Captors;
+
         public double Humidity { get; set; }
         public double Luminosity { get; set; }
         public double Temperature { get; set; }

PlantBox.Shared/Communication/Commands/HistoricRequest.cs

@@ -7,6 +7,8 @@ namespace PlantBox.Shared.Communication.Commands
 {
     public class HistoricRequest : CommandSerializable<HistoricRequest>
     {
+        public override Command Command => Command.Historic;
+
         public HistoricInterval Interval { get; set; }
         public int Number { get; set; }
 

PlantBox.Shared/Communication/Commands/PingCommand.cs

@@ -6,6 +6,8 @@ namespace PlantBox.Shared.Communication.Commands
 {
     public class PingCommand : CommandSerializable<PingCommand>
     {
+        public override Command Command => Command.Ping;
+
         public string Message { get; set; }
 
         public PingCommand()