The tools haven’t been updated with a number of the newer releases yet, and ash waste nomads definitely hasn’t been done. The coding for the site is done by one man, the site host and owner Malo, and there isn’t a timescale on if or when these things will be coded into the gang database.
The good news is that the custom tools he created are pretty powerful and should allow you to make profiles of pretty much anything. The only thing users can’t create is weapon traits, so taking some time to get the hang of the tools should help in resolving your issue.