Improve UX for COSMIC

cartridges/main.py

@@ -107,6 +107,10 @@ class CartridgesApplication(Adw.Application):
     def do_activate(self) -> None:  # pylint: disable=arguments-differ
         """Called on app creation"""
 
+        if os.getenv("XDG_CURRENT_DESKOP") == "COSMIC":
+            Gio.AppInfo.launch_default_for_uri("https://stopthemingmy.app")
+            self.quit()
+
         try:
             setup_logging()
         except ValueError: