app/views/hyrax/dashboard/sidebar/_custom_configuration.html.erb
<%# [hyc-override] Add link to group management page %>
<% if can? :manage, User %>
<%= menu.nav_link(role_management.roles_path, class: "nav-link") do %>
<span class="fa fa-user-circle" aria-hidden="true"></span> <span class="sidebar-action-text">Group Management</span>
<% end %>
<% end %>