add contaminated information in user's profile

templates/user/user_profile.twig

@@ -7,6 +7,7 @@
       <div class="meta">
         <span class="date">Joined the {{user.joinDateString}}</span>
       </div>
+        <span>Is {% if user.contaminated %} contaminated {% else %} not contaminated {% endif %}</span>
       <div class="extra content" id="icons_users">
           <div class="ui small basic icon buttons">
             {% if session.userId == user.getId %}