feat: popover bubble

dzgui/controllers/emitter.py

@@ -136,6 +136,10 @@ class Emitter(GObject.GObject):
     def api_change_failed(self) -> None:
         pass
 
+    @GObject.Signal(flags=GObject.SignalFlags.RUN_LAST, arg_types=())
+    def already_saved_server(self) -> None:
+        pass
+
     @GObject.Signal(flags=GObject.SignalFlags.RUN_LAST, arg_types=(str,))
     def keyword_set(self, keyword: str) -> None:
         pass