Fix link in structure when the item is a link

Add internal links creation

app/views/admin/items/_node.html.erb

@@ -11,7 +11,11 @@
     <% end %>
     <div class="item-title">
       <%= content_tag(:em, node.url, class: "muted") if node.class.to_s.eql?('Link') %>
-      <%= link_to node.title, "/" + node.path %>
+      <% if node.class.to_s.eql?('Page') %>
+        <%= link_to node.title, "/" + node.path %>
+      <% else %>
+        <%= link_to node.title, node.url %>
+      <% end %>
       <div class="item-menu">
         <%= link_to content_tag(:i, nil, class: "icon-eye-open"), eval("admin_#{node.class.to_s.downcase}_path(node)"), class: "view-page open-slide tip", title: t(:view) if node.class.to_s.eql?('Page') %>
         <%= link_to content_tag(:i, nil, class: "icon-edit"), eval("edit_admin_#{node.class.to_s.downcase}_path(node)"), class: "open-slide tip", title: t(:edit) %>