docs(menu): fix the navbar drop down links

Author: IgorMinar

docs/src/templates/index.html

@@ -122,7 +122,7 @@
             <li><a href="http://angularjs.org"><i class="icon-home icon-white"></i> Home</a></li>
             <li class="divider-vertical"></li>
             <li class="dropdown">
-              <a href="" class="dropdown-toggle" data-toggle="dropdown">
+              <a href="#" class="dropdown-toggle" data-toggle="dropdown">
                 <i class="icon-eye-open icon-white"></i> Learn <b class="caret"></b>
               </a>
               <ul class="dropdown-menu">
@@ -148,7 +148,7 @@
             </li>
             <li class="divider-vertical"></li>
             <li class="dropdown">
-              <a href="" class="dropdown-toggle" data-toggle="dropdown">
+              <a href="#" class="dropdown-toggle" data-toggle="dropdown">
                 <i class="icon-comment icon-white"></i> Discuss <b class="caret"></b>
               </a>
               <ul class="dropdown-menu">