Add LabJackT7 configuration and helper for Modbus communication

Models/LabJackT7Configuration.cs

@@ -0,0 +1,23 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace File_Watcher.Models;
+
+public record LabJackT7Configuration(string InternetProtocolAddress,
+                                     int Port,
+                                     string To)
+{
+
+    public override string ToString()
+    {
+        string result = JsonSerializer.Serialize(this, LabJackT7ConfigurationSourceGenerationContext.Default.LabJackT7Configuration);
+        return result;
+    }
+
+}
+
+[JsonSourceGenerationOptions(WriteIndented = true)]
+[JsonSerializable(typeof(LabJackT7Configuration))]
+internal partial class LabJackT7ConfigurationSourceGenerationContext : JsonSerializerContext
+{
+}