Try to terminal all goroutines at shutdown gracefully

domains/announces/v1/announces.go

@@ -24,6 +24,7 @@ func ZookeeperReceiver(client *tdlib.Client) {
 	receiver := client.AddEventReceiver(&tdlib.UpdateNewMessage{}, fwMessagesFilter, 5)
 	log.Debug().Msg("Receiver added")
 
+	go func() {
 		for newMsg := range receiver.Chan {
 			updateMsg := (newMsg).(*tdlib.UpdateNewMessage)
 			// Check if message text contains needed battle data
@@ -74,4 +75,5 @@ func ZookeeperReceiver(client *tdlib.Client) {
 			<-c.ShutdownDone
 			return
 		}
+	}()
 }