- Modified DNAClassAttribute to also support usage on structs

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

BlendFile/DNA/ParticleSystem.cs

@@ -13,6 +13,7 @@ using System;
 namespace BlendFile.DNA {
     using BlendFile;
     
+    [DNAClassAttribute(233, "ParticleSystem")]
     public class ParticleSystem {
         [DNAFieldAttribute(0, "ParticleSystem", "*next", 696)]
         public ParticleSystem ptr_next;