Add project files.

Snake/Directions.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Snake
+{
+    public enum Directions
+    {
+        Up,
+        Down,
+        Left,
+        Right,
+    }
+}