- Modified DNAClassAttribute to also support usage on structs

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

BlendFile/DNA/ImagePackedFile.cs

@@ -13,6 +13,7 @@ using System;
 namespace BlendFile.DNA {
     using BlendFile;
     
+    [DNAClassAttribute(325, "ImagePackedFile")]
     public class ImagePackedFile {
         [DNAFieldAttribute(0, "ImagePackedFile", "*next", 1056)]
         public ImagePackedFile ptr_next;