<ul class="nav nav-list">

  <% if can? :manage, Performance %>

    <li class="nav-header">Verwalten</li>
    <%= nav_link_to "Benutzer", jmd_users_path if can? :manage, User %>
    <%= nav_link_to "Wettbewerbe", jmd_competitions_path if can? :manage, Competition %>
    <%= nav_link_to "Aktuelle Vorspiele", list_current_jmd_performances_path %>

  <% elsif can? :list_current, Performance %>

    <li class="nav-header">Einsehen</li>
    <%= nav_link_to "Aktuelle Vorspiele", list_current_jmd_performances_path %>

  <% end %>
</ul>

<ul class="nav nav-list">

  <% if can? :manage, Performance %>

    <li class="nav-header">Verwalten</li>
    <%= nav_link_to icon_tag("user") + " Benutzer", jmd_users_path if can? :manage, User %>
    <%= nav_link_to icon_tag("globe") + " Wettbewerbe", jmd_competitions_path if can? :manage, Competition %>
    <%= nav_link_to icon_tag("time") + " Aktuelle Vorspiele", list_current_jmd_performances_path %>

  <% elsif can? :list_current, Performance %>

    <li class="nav-header">Einsehen</li>
    <%= nav_link_to icon_tag("time") + " Aktuelle Vorspiele", list_current_jmd_performances_path %>

  <% end %>
</ul>

Add icons to inside sidebar navigation
Add icons to inside sidebar navigation
