Notify other players when readyState changes

src/controller/client.py

@@ -58,7 +58,7 @@ class ClientController:
         self.on_message = self.on_message_stub
 
     async def on_message_stub(self, message: Message):
-        pass
+        return
 
     async def close(self):
         """Remove self from Game broadcasting list"""
@@ -167,6 +167,8 @@ class ClientController:
             self.player.ready = bool(message.data)
             if all(p.ready for p in self.game_controller.game.players):
                 await self.game_controller.start_game()
+            else:
+                await self.player.notify_update()
 
     @vibe_check(Message)
     async def game_context(self, message: Message) -> None: