GeneratorKind: add FindGeneratorKindByID method

src/Generator/GeneratorKind.cs

@@ -38,6 +38,11 @@ namespace CppSharp.Generators
             Registered.Add(this);
         }
 
+        public static GeneratorKind FindGeneratorKindByID(string id)
+        {
+            return Registered.Where(kind => kind.ID == id).First();
+        }
+
         public Generator CreateGenerator(BindingContext context)
         {
             return (Generator)Activator.CreateInstance(GeneratorType, context);