Add Iterator pattern

src/IteratorPattern/TVExample/TvIterator/TV.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace IteratorPattern.TvIterator
+{
+    /// <summary>
+    /// Aggregate interface - get iterator
+    /// The Aggregate defines an interface for the creation of the Iterator object.
+    /// </summary>
+    public interface TV
+    {
+        ChannelIterator GetIterator();
+    }
+}