Added headings

WaveFunctionCollapseCLI/TileMap.cs

@@ -1,4 +1,7 @@
-using System;
+/// Rohmer Maxime <maxluligames@gmail.com>
+/// 28 April 2022
+/// TileMap.cs
+using System;
 using System.Collections.Generic;
 using System.Drawing;
 using System.Linq;