Added GenericNode outline

C#/Datastructures/Nodes/Node.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace C_.Datastructures.Nodes
+{
+    internal class Node<T, NodeType>
+    {
+        public T? Value { get; set; } = default;
+        public NodeType? Next { get; set; } = default;
+    }
+}