Move solution and projects to src

src/Ryujinx.Graphics.GAL/Rectangle.cs

@@ -0,0 +1,18 @@
+namespace Ryujinx.Graphics.GAL
+{
+    public readonly struct Rectangle<T> where T : unmanaged
+    {
+        public T X { get; }
+        public T Y { get; }
+        public T Width { get; }
+        public T Height { get; }
+
+        public Rectangle(T x, T y, T width, T height)
+        {
+            X = x;
+            Y = y;
+            Width = width;
+            Height = height;
+        }
+    }
+}