Added title for third article

Author: TaliaKucuk

Wireframe/index.html

@@ -31,6 +31,7 @@ <h2>Wireframes</h2>
        It establishes the basic structure, content placement, and core
         functionality of a digital product before visual design and coding begin.
       </p>
+      <h2>Git Branches</h2>
        <a href="https://balsamiq.com/blog/what-are-wireframes/">Read more</a>
     </article>
       <article>