Ladder for level maze

Assets/Scripts/GameSetup/Maze/MazeGrid.cs

@@ -9,8 +9,9 @@ namespace Hallucinate.GameSetup.Maze
     /// </summary>
     public class MazeGrid
     {
-        public int Width { get; }
-        public int Depth { get; }
+        public int Width { get; private set; }
+        public int Depth { get; private set; }
+        public int Level { get; set; }
         
         private readonly MazeCellType[,] _cells;