Update README.md

Author: youssefmyh

README.md

@@ -1,6 +1,8 @@
 # ThreadPoolcommandObserver
 
+<object data="https://github.com/youssefmyh/ThreadPoolcommandObserver/blob/master/download.png" type="img/png" width="700px" height="700px">
 
+</object>
 
 <object data="https://github.com/youssefmyh/ThreadPoolcommandObserver/blob/master/pattern.pdf" type="application/pdf" width="700px" height="700px">
     <embed src="https://github.com/youssefmyh/ThreadPoolcommandObserver/blob/master/pattern.pdf">