Restructured Solution Layout

Moved several enums and helper classes into the QURO library for flexibility and potential reuse.

Also solved desync in animations by making AnimatedSprites reset their timer every time a new animation is loaded.

QURO.AnimationLibrary/Frame.cs

@@ -0,0 +1,18 @@
+using Microsoft.Xna.Framework;
+
+namespace QURO.AnimationLibrary
+{
+    public class Frame
+    {
+        public Rectangle SourceRect { get; set; }
+        public float Delay { get; set; }
+
+        public Frame() { }
+
+        public Frame(Rectangle sourceRectangle, float delay)
+        {
+            SourceRect = sourceRectangle;
+            Delay = delay;
+        }
+    }
+}