Add Link to docs.growi.org

src/server/views/layout/layout.html

@@ -136,6 +136,11 @@
             <i class="icon-pencil"></i><span>{{ t('New') }}</span>
           </a>
         </li>
+        <li class="nav-item-admin">
+          <a href="https://docs.growi.org/" target="_blank">
+            <i class="icon-question"></i><span>{{ t('Help') }}</span><span class="text-muted small"><i class="icon-share-alt"></i></span>
+          </a>
+        </li>
         <li class="dropdown">
           <a class="dropdown-toggle waves-effect waves-light" data-toggle="dropdown">
             <img src="{{ user|picture }}" class="picture img-circle" width="25" /> <span class="user-name">{{ user.name }}</span>