feat: create window client app

Client/Domain/Factories/EntityFactoryInterface.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Client.Domain.Entities;
+
+namespace Client.Domain.Factories
+{ 
+    public interface EntityFactoryInterface<T>
+    {
+        public T? Create(string data);
+        public void Update(T entity, string data);
+    }
+}

Client/Domain/Factories/EntityHandlerFactoryInterface.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using Client.Domain.Enums;
+using Client.Domain.Service;
+
+namespace Client.Domain.Factories
+{
+    public interface EntityHandlerFactoryInterface
+    {
+        HandlerInterface GetHandler(MessageTypeEnum type);
+    }
+}