Add 'how to contact admin' section

themes/default/templates/about.html.ep

@@ -12,6 +12,8 @@
     <p><%= l('You can see the list of your files by clicking on the "My files" link at the top right of this page.') %></p>
     <h2><%= l('How to report an illegal file?') %></h2>
     <p><%== l('Please use the dedicated report mail: <a href="%1">%2</a>', config('report'), l('Contact mail')) %></p>
+    <h2><%= l('How to contact the administrator ?') %></h2>
+    <p><%== l('Here is the contact page: %1', config('contact')) %></p>
     <h2><%= l('Who wrote this software?') %></h2>
     <p><%== l('The original (and only for now) author is <a href="https://fiat-tux.fr" class="classic">Luc Didry</a>.') %></p>
     <h2><%= l('How to install the software on my server?') %></h2>