Added ISO

Models/IsoConfiguration.cs

@@ -0,0 +1,22 @@
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace File_Watcher.Models;
+
+public record IsoConfiguration(string DestinationDirectory,
+                               string SourceDirectory)
+{
+
+    public override string ToString()
+    {
+        string result = JsonSerializer.Serialize(this, IsoConfigurationSourceGenerationContext.Default.IsoConfiguration);
+        return result;
+    }
+
+}
+
+[JsonSourceGenerationOptions(WriteIndented = true)]
+[JsonSerializable(typeof(IsoConfiguration))]
+internal partial class IsoConfigurationSourceGenerationContext : JsonSerializerContext
+{
+}