feat(tui): show voice activity with green color and speaker icon when users talk

pkg/ts3client/events.go

@@ -20,7 +20,8 @@ const (
 	EventChannelList EventType = "channel_list"
 
 	// Audio events
-	EventAudio EventType = "audio"
+	EventAudio         EventType = "audio"
+	EventTalkingStatus EventType = "talking_status"
 
 	// Error events
 	EventError EventType = "error"
@@ -112,3 +113,9 @@ type ErrorEvent struct {
 	ID      string
 	Message string
 }
+
+// TalkingStatusEvent is emitted when a client starts or stops talking
+type TalkingStatusEvent struct {
+	ClientID uint16
+	Talking  bool
+}