Added generator name parameter to file preamble generation.

src/Generator/Generators/CodeGenerator.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -64,13 +64,13 @@ namespace CppSharp.Generators
             return base.Generate();
         }
 
-        public virtual void GenerateFilePreamble(CommentKind kind)
+        public virtual void GenerateFilePreamble(CommentKind kind, string generatorName = "CppSharp")
         {
             var lines = new List<string>
             {
                 "----------------------------------------------------------------------------",
                 "<auto-generated>",
-                "This is autogenerated code by CppSharp.",
+                $"This is autogenerated code by {generatorName}.",
                 "Do not edit this file or all your changes will be lost after re-generation.",
                 "</auto-generated>",
                 "----------------------------------------------------------------------------"