move to figures

Author: Chris Cho

source/includes/mongo-kafka-base-container.png renamed to source/includes/figures/mongo-kafka-base-container.png

@@ -143,7 +143,7 @@ Set Up Your Development Environment with Docker
       network called "mongodb-kafka-base_localnet" as shown in the following
       diagram:
 
-      .. figure:: /includes/mongo-kafka-base-container.png
+      .. figure:: /includes/figures/mongo-kafka-base-container.png
          :alt: Diagram that shows the Docker compose containers in mongo-kafka-base
 
       When the script completes successfully, it outputs the following