- Modified DNAClassAttribute to also support usage on structs

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

BlendFile/DNA/GP_Sculpt_Guide.cs

@@ -13,6 +13,7 @@ using System;
 namespace BlendFile.DNA {
     using BlendFile;
     
+    [DNAClassAttribute(820, "GP_Sculpt_Guide")]
     public class GP_Sculpt_Guide {
         [DNAFieldAttribute(0, "char", "use_guide", 1)]
         public char use_guide;