Fix maintenance page links for validator

Author: jvinodraj

maintenance.html

@@ -135,8 +135,8 @@ <h1 id="maintenance-title">We are updating this section of our website.</h1>
     </section>
 
     <div class="actions">
-      <a class="btn btn-primary" href="/">Go to Home Page</a>
-      <a class="btn btn-outline" href="/contact.html">Contact Us</a>
+      <a class="btn btn-primary" href="index.html">Go to Home Page</a>
+      <a class="btn btn-outline" href="contact.html">Contact Us</a>
     </div>
   </main>
 </body>