Add project files.

Snake/Worm.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Snake
+{
+    public class Worm
+    {
+        public List<Cell> Body = new List<Cell>();
+
+        public Worm(Cell startCell)
+        {
+            Body.Add(startCell);
+        }
+
+    }
+}