Load menu and level audio dynamically

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

lib/features/renderer/renderer.dart

@@ -69,11 +69,15 @@ class _WolfRendererState extends State<WolfRenderer>
     // Grab the specific level from the singleton
     _currentLevel = Wolf3d.I.levels[mapIndex];
 
+    // Play the exact track id Software intended for this level!
+    Wolf3d.I.audio.playLevelMusic(_currentLevel);
+
     // TODO: Initialize player position, spawn enemies based on difficulty, etc.
     debugPrint("Loaded Level: ${_currentLevel.name}");
   }
 
   void _onLevelCompleted() {
+    Wolf3d.I.audio.stopMusic();
     // When the player hits the elevator switch, advance the map
     setState(() {
       _currentMapIndex++;