app/views/layouts/_menu_links.html.erb
<li><%= link_to(t('site.status'), 'http://status.42grounds.io') %></li>
<li><%= link_to(t('site.about'), page_path('about')) %></li>
<li>
<%= link_to('https://github.com/grounds', target: '_blank') do
content_tag(:span, fa_icon('github', text: t('site.sources')))
end %>
</li>