Fix download link

_includes/about.html

@@ -15,10 +15,10 @@
                     <p>Whether you're a student looking to showcase your work, a professional looking to attract clients, or a graphic artist looking to share your projects, this template is the perfect starting point! </p>
                 </div>
                 <div class="col-lg-8 col-lg-offset-2 text-center">
-                    <a href="#" class="btn btn-lg btn-outline">
+                    <a href="https://github.com/jeromelachaud/freelancer-theme" class="btn btn-lg btn-outline">
                         <i class="fa fa-download"></i> Download Theme
                     </a>
                 </div>
             </div>
         </div>
-    </section>
+    </section>