Include hints in new dashboard

biscuit/apps/chronos/templates/timetable/hintsinplan.html

 {% load martortags %}
 {% if hints %}
     {% for hint in hints %}
-        <div class="card">
-            <div class="card-content light-blue lighten-4">
+        <div class="alert primary">
+            <div>
                 <em class="right hide-on-small-and-down">Hinweis für {{ hint.from_date|date:"D, d.m." }},
                     {% if hint.from_date != hint.to_date %}
                         bis {{ hint.to_date|date:"D, d.m." }}
                     {% endif %} </em>
 
                 <i class="material-icons left">announcement</i>
+
                 {{ hint.text|safe_markdown }}
 
                 <em class="hide-on-med-and-up">Hinweis für {{ hint.from_date|date:"D, d.m." }},
                     {% if hint.from_date != hint.to_date %}
                         bis {{ hint.to_date|date:"D, d.m." }}
                     {% endif %} </em>
-
-                {#        {{ hint }}#}
             </div>
         </div>
     {% endfor %}