Categories from rules file

[rolfoosting]

Hi, first: love the app.
I was using it, and creating some extra rules for categorizing, when I noticed that the rules file (automatic_categories.jsonc) can contain categories that are not present in the program and the other way around. So is was thinking perhaps it would be possible for the app to retrieve the categories from the rules file so it stays more consistant that way? downside of this would be that adding would only be possible in the rules file, not in the 'edit categories' function.