Make kankyou toggle green when active

MultipleMaids/CM3D2/MultipleMaids/Plugin/MultipleMaids.Gui.cs

@@ -8961,6 +8961,9 @@ namespace CM3D2.MultipleMaids.Plugin
                 RefreshSceneManager();
             }
 
+            Color originalColor = GUI.backgroundColor;
+            if (kankyoToggle) GUI.backgroundColor = Color.green;
+
             kankyoToggle = GUI.Toggle(new Rect(
                 windowPadding,
                 windowPadding,
@@ -8968,6 +8971,8 @@ namespace CM3D2.MultipleMaids.Plugin
                 buttonSize
             ), kankyoToggle, "Kankyou", saveControlStyle);
 
+            GUI.backgroundColor = originalColor;
+
             GUI.Label(new Rect(
                 windowPadding,
                 windowPadding,