Added sound effect example (#18)

* added sound effect example

* added dialout to this branch too

* fixup

* fixup for more dialout testing

* cleanup

src/dailyai/services/daily_transport_service.py

@@ -305,6 +305,12 @@ class DailyTransportService(EventHandler):
             t = Thread(target=self._receive_audio, daemon=True)
             t.start()
 
+    def dialout(self, number):
+        self.client.start_dialout({"phoneNumber": number})
+
+    def start_recording(self):
+        self.client.start_recording()
+
     def on_error(self, error):
         self._logger.error(f"on_error: {error}")