Last life cycle refactor updates + add comprehensive documentation (#57)

Co-authored-by: Michal Pikulski <michal.a.pikulski@gmail.com>
Reviewed-on: #57

Assets/Scripts/Sound/AudioManager.cs

@@ -40,8 +40,6 @@ public class AudioManager : ManagedBehaviour, IPausable
     /// </summary>
     public static AudioManager Instance => _instance;
 
-    // ManagedBehaviour configuration
-    public override int ManagedAwakePriority => 30; // Audio infrastructure
     public override bool AutoRegisterPausable => true; // Auto-register as IPausable
 
     internal override void OnManagedAwake()