First of all, great extension. But it should be able to be enabled only if the "Tags" extension is enabled too. If you enable this extension without "Tags" being enabled, you brick your admin panel (the page won't fully load). In the console, the following error appears:
This is a problem at FreeFlarum, not sure if anyone else experienced this issue. When you enable Tags and then this extension, it works again. But it shouldn't be able to brick the admin panel. No error logs in the Flarum folder, even with debug: true
in Flarum's config.