Correct the recording docs example and add the sample to playing

docs/audio-player.md

@@ -2,6 +2,25 @@
 
 The `AudioPlayer` class provides you with the ability to play audio files/streams in your .NET MAUI application. In order to create an `AudioPlayer` instance you can make use of the `CreatePlayer` method on the [`AudioManager`](../readme.md#audiomanager) class.
 
+```csharp
+public class AudioPlayerViewModel
+{
+    readonly IAudioManager audioManager;
+
+    public AudioPlayerViewModel(IAudioManager audioManager)
+    {
+        this.audioManager = audioManager;
+    }
+
+    public async void PlayAudio()
+    {
+        var audioPlayer = audioManager.CreatePlayer(await FileSystem.OpenAppPackageFileAsync("ukelele.mp3"));
+
+        audioPlayer.Play();
+    }
+}
+```
+
 ## AudioPlayer API
 
 Once you have created an `AudioPlayer` you can interact with it in the following ways:

docs/audio-recorder.md

@@ -11,15 +11,15 @@ public class AudioRecorderViewModel
     public AudioPlayerViewModel(IAudioManager audioManager)
     {
         this.audioManager = audioManager;
-        this.audioRecorder.CreateRecorder();
+        this.audioRecorder = audioManager.CreateRecorder();
     }
 
-    public async void StartRecording()
+    public async Task StartRecording()
     {
-        this.audioRecorder.StartAsync();
+        await this.audioRecorder.StartAsync();
     }
 
-    public async void StopRecording()
+    public async Task StopRecording()
     {
         IAudioSource audioSource = await this.audioRecorder.StopAsync();