add collections menu bar

app/views/shared/application/_header.html.erb

@@ -87,6 +87,9 @@
             <a class="nav-dropdown" data-content="educational-level" href="javascript:void(0);">Níveis de
               Ensino&nbsp;<span class="caret"/></a></h3></li>
           <li role="separator" class="divider"></li>-->
+          <!--Falta colocar o link pras coleções-->
+          <li class="dropdown nav-button"><h3><a class="nav-dropdown"><%= link_to 'Coleções ', '#' %></a></h3></li>
+          <li role="separator" class="divider"></li>
           <li class="dropdown nav-button"><h3><a class="nav-dropdown" data-content="links" href="javascript:void(0);">Links
             úteis&nbsp;<span class="caret"/></a></h3></li>
           <li role="separator" class="divider"></li>