Added the logic of wrapper + responsiveness controllers.

generators/block/templates/src/template.template.hbs

@@ -33,9 +33,9 @@
 
     <h2>Image Example</h2>
     <div>
-      <img src="images/demo.jpeg" alt="">
+      <img src="/images/demo.jpeg" alt="">
       <br>
-      <code>&lt;img src=&quot;images/demo.jpeg&quot; alt=&quot;&quot;&gt;
+      <code>&lt;img src=&quot;/images/demo.jpeg&quot; alt=&quot;&quot;&gt;
       </code>
     </div>