- Modified DNAClassAttribute to also support usage on structs

- Added auto generation of DNAClass attributes on file generation
- Regenerated all files

BlendFile/DNA/ImageUser.cs

@@ -13,6 +13,7 @@ using System;
 namespace BlendFile.DNA {
     using BlendFile;
     
+    [DNAClassAttribute(147, "ImageUser")]
     public class ImageUser {
         [DNAFieldAttribute(0, "Scene", "*scene", 6744)]
         public Scene ptr_scene;