Added settings

Sledgemapper/Settings.cs

@@ -0,0 +1,20 @@
+using Microsoft.Xna.Framework;
+
+namespace Sledgemapper
+{
+    public class Settings
+    {
+        public Color BackgroundColor { get; set; }
+        public Color OverlayTintColor { get; set; }
+        public Color GridColor { get; set; }
+        public Color NoteColor { get; set; }
+
+        public Settings()
+        {
+            BackgroundColor=Color.LightGray;
+            GridColor=Color.Black;
+            NoteColor=Color.DarkRed;
+            OverlayTintColor = new Color(24, 118, 157);
+        }
+    }
+}