adding the summary paragraph for the wireframe article

Author: Tobias-Amaechina

Wireframe/index.html

@@ -63,6 +63,10 @@ <h2>What is the Purpose of a Readme File?</h2>
       <p>
         This is the default, provided code and no changes have been made yet.
         <h2> What is the Purpose of a Wireframe?</h2>
+        <p>
+          <strong>In short</strong>, a wireframe’s purpose is to visualize the skeleton of a digital product,
+          helping teams plan, test, and communicate ideas efficiently before moving to detailed design.
+        The can be summarized under these headings below.</p>
 
       </p>
     </footer>