add clean exit, select channel on startup

broadcast/main.go

@@ -69,7 +69,14 @@ func main() {
 		fmt.Printf("\t%d - %s\n", idx, channel.Name)
 	}
 
+	channel := client.Channels.Find("Antro delle Bestemmie")
+	client.Self.Move(channel)
+	fmt.Println("Chosen Channel: ", channel.Name)
 	for {
 		time.Sleep(1 * time.Second)
+		if client.State() == gumble.StateDisconnected {
+			log.Println("Disconnected from server")
+			break
+		}
 	}
 }