Hi, I'm trying to add some mods to a modpack but every guide I can find for this seems to refer to an older version of the FTB app which had an "Edit Modpack" button. The app looks completely different in the screenshots of these tutorials, and I haven't been able to find any information on editing modpacks with the version I downloaded yesterday that does not have an "Edit Modpack" option. Am I missing something? Did I somehow download the wrong thing? Or is the modpack editor no longer available?