Updated KD and ModulLoader

FireBird2D.Interfaces/Interfaces/IExtensionBase.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Firebird2D.DataypesAndInterfaces.Interfaces
+{
+    public interface IExtensionBase
+    {
+        public void Startup();
+    }
+}