Add new articles with images to index.html

updating the final changes to the html code

Author: TTiamiyu

Wireframe/index.html

@@ -29,6 +29,7 @@ <h2>Purpose of ReadME</h2>
         </p>
       </details>
       </article>
+      
       <article>
         <img src="placeholder2.png" alt="Wireframe image" />
         <h2>Purpose of Wireframe</h2>
@@ -49,6 +50,7 @@ <h2>Purpose of Wireframe</h2>
       </p>
       </details>
       </article>
+     
       <article>
         <img src="Branch.png" alt="Branch image" />
         <h2>What is a branch in Git</h2>