move backend to subfolder

tanks-backend/TanksServer/Graphics/DrawBulletsStep.cs

@@ -0,0 +1,16 @@
+using TanksServer.GameLogic;
+
+namespace TanksServer.Graphics;
+
+internal sealed class DrawBulletsStep(MapEntityManager entityManager) : IDrawStep
+{
+    public void Draw(GamePixelGrid pixels)
+    {
+        foreach (var bullet in entityManager.Bullets)
+        {
+            var position = bullet.Position.ToPixelPosition();
+            pixels[position.X, position.Y].EntityType = GamePixelEntityType.Bullet;
+            pixels[position.X, position.Y].BelongsTo = bullet.Owner;
+        }
+    }
+}