Add project files.

AlientAttack.MonoGame/Things/SpriteDrawArgs.cs

@@ -0,0 +1,11 @@
+using Microsoft.Xna.Framework.Content;
+using Microsoft.Xna.Framework.Graphics;
+using System;
+
+namespace AlienAttack.MonoGame.Things;
+
+public class SpriteDrawArgs(AlienAttackGame game)
+{
+    public SpriteBatch SpriteBatch => game.SpriteBatch;
+    public ContentManager Content => game.Content;
+}