Add: page description

Author: LiyemaMfengwana

Wireframe/index.html

@@ -10,7 +10,7 @@
     <header>
       <h1 class="page-title">Wireframe</h1>
       <p>
-        This is the default, provided code and no changes have been made yet.
+        Learn about README files, wireframes, and Git branches.
       </p>
     </header>
     <main>