Added sound effects and music.

AlientAttack.MonoGame/Things/SpriteUpdateContext.cs

@@ -1,5 +1,6 @@
 using AlienAttack.MonoGame.View;
 using Microsoft.Xna.Framework;
+using Microsoft.Xna.Framework.Content;
 using System;
 
 namespace AlienAttack.MonoGame.Things;
@@ -10,6 +11,7 @@ public class SpriteUpdateContext(AlienAttackGame game)
     public required Action<Sprite> SpawnSprite { get; init; }
     public required Random Random { get; init; }
     public required GameTime GameTime { get; init; }
+    public required ContentManager Content { get; init; }
 }
 
 public class SpriteCollisionContext(AlienAttackGame game)
@@ -17,4 +19,6 @@ public class SpriteCollisionContext(AlienAttackGame game)
     public ViewTransform ViewTransform => game.ViewTransform;
     public required Sprite Sprite { get; init; }
     public required Action<Sprite> SpawnSprite { get; init; }
+    public required Random Random { get; init; }
+    public required ContentManager Content { get; init; }
 }