Add code examples, and documentation

patterns/bridge/Bridge Example/Program.cs

@@ -0,0 +1,17 @@
+namespace Bridge_Example;
+
+internal class Program
+{
+  private static void Main(string[] args)
+   {
+      Notification n1 = new AlertNotification(new EmailSender());
+      Notification n2 = new AlertNotification(new SmsSender());
+      Notification n3 = new ReminderNotification(new EmailSender());
+      Notification n4 = new ReminderNotification(new SmsSender());
+
+      n1.Notify("Server is down");
+      n2.Notify("Server is down");
+      n3.Notify("Meeting at 3pm");
+      n4.Notify("Meeting at 3pm");
+   }
+}