MT#13203 Add top-menu link to api and handbook

Change-Id: I0f8e8ba4694861cab7f9d1e10852a0dc91996ea6

share/templates/widgets/admin_topmenu_settings.tt

@@ -1,3 +1,14 @@
+<li class="dropdown">
+    <a href="javascript:;" class="dropdown-toggle" data-toggle="dropdown">
+        <i class="icon-question-sign"></i>
+        <span>[% c.loc('Documentation') | html %]</span>
+        <b class="caret"></b>
+    </a>
+    <ul class="dropdown-menu">
+        <li><a href="[% c.uri_for('/api') %]">[% c.loc('API') %]</a></li>
+        <li><a href="[% c.uri_for('/handbook') %]">[% c.loc('Handbook') %]</a></li>
+    </ul>
+</li>
 <li class="dropdown">
     <a href="javascript:;" class="dropdown-toggle" data-toggle="dropdown">
         <i class="icon-signal"></i>