Add template method example

src/TemplatePattern/WorkersExample/Worker.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace TemplatePattern.WorkersExample
+{
+    /// <summary>
+    /// Framework class
+    /// </summary>
+    public abstract class Worker
+    {
+        public void StartWorking()
+        {
+            WakeUpAndDrinkCoffee();
+            TakeAShower();
+            GetDressed();
+            GoToWork();
+            Work();
+        }
+
+        protected virtual void WakeUpAndDrinkCoffee()
+        {
+            Console.WriteLine("Wake up and drink coffee normally");
+        }
+
+        protected virtual void TakeAShower()
+        {
+            Console.WriteLine("Take a shower");
+        }
+
+        protected virtual void GetDressed()
+        {
+            Console.WriteLine("Get dressed");
+        }
+
+        protected virtual void GoToWork()
+        {
+            Console.WriteLine("Go to work");
+        }
+
+        protected abstract void Work();
+    }
+}