Added C# -> Trenchbrom entity definition with reflection system

NuakeNet/src/BrushScript.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Nuake.Net
+{
+    [BrushScript]   
+    public class Brush : Entity
+    {
+        
+    }
+}