refactor: change folder structure

01-Introductory-Sessions/Session05/Projects/OOP/EmailSender.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OOP
+{
+    public class EmailSender : ISender
+    {
+        public void Send(string to)
+        {
+            Console.WriteLine("Sent Mail by Email");
+        }
+        public void Hi()
+        {
+
+        }
+    }
+}