fix banner pictures

Author: pascalandy

traefik_stack5/www/who1/html/images/banner2.jpg

@@ -26,7 +26,7 @@ <h1>Service name: who1 (nginx)</h1>
 
             </div>
             <div class="image">
-                <img src="images/banner2.jpg" alt="" />
+                <img src="images/banner.jpg" alt="" />
             </div>
         </section>