lib/generators/trestle/admin/templates/index.html.erb
<%% content_for(:title, "<%= singular_name.titleize %>") %>
<%%= render layout: "layout", locals: { wrapper: true, sidebar: false, hide_breadcrumbs: false } do %>
To customize this template, please edit <code><%= File.join("app/views/admin", class_path, singular_name, "index.html.erb") %></code>.
<%% end %>