Added diagrams including topics queue for each exercise

Author: ajmaradiaga

assets/codejam-exercises-Exercise10 - CAP.png

@@ -126,7 +126,12 @@ And last but certainly not least.... the ***Try Me*** tab. From here, you can se
     <i>Event Broker - Try Me!</i>
 </p>
 
-Just as a quick test, let's use the CodePen projects section to quickly establish a connection and exchange a message. 
+Just as a quick test, let's use the CodePen projects section to quickly establish a connection and exchange a message. We will achieve the communication scenario below.
+
+<p align = "center">
+    <img alt="Exchange a simple message by publishing/subscribing to the try-me topic" src="assets/codejam-exercises-Exercise5 - CodePen TryMe.png" width="70%"/><br/>
+    <i>Publish/subscribe to the try-me topic</i>
+</p>
 
 👉 In the ***Try Me!*** tab, follow the instructions below: