Added loadable external resources for ironman and hiscores icons.

osrs-toolbox/Resources/ExternalResources.cs

@@ -0,0 +1,10 @@
+using System.Windows.Media.Imaging;
+
+namespace osrs_toolbox
+{
+    public static class ExternalResources
+    {
+        public static BitmapImage IronImage = new BitmapImage(new Uri("https://oldschool.runescape.wiki/images/Ironman_chat_badge.png"));
+        public static BitmapImage MainImage = new BitmapImage(new Uri("https://oldschool.runescape.wiki/images/HiScores_icon.png"));
+    }
+}