remove join tasks from serializers (api

add discard button to task details

atdb/taskdatabase/templates/taskdatabase/tasks/set_status_buttons.html

@@ -9,6 +9,7 @@
 <a href="{% url 'task-details-setstatus' task.pk 'archived' %}" class="btn btn-warning btn-sm" role="button"><i class="fas fa-sync-alt"></i> archived</a>&nbsp;
 <a href="{% url 'task-details-setstatus' task.pk 'finished' %}" class="btn btn-warning btn-sm" role="button"><i class="fas fa-sync-alt"></i> finished</a>&nbsp;
 <a href="{% url 'task-details-setstatus' task.pk 'suspended' %}" class="btn btn-warning btn-sm" role="button"><i class="fas fa-sync-alt"></i> suspended</a>&nbsp;
+<a href="{% url 'task-discard-view' task.pk 'discard' 1 %}" class="btn btn-danger btn-sm" role="button"><i class="fas fa-trash-alt"></i> Discard</a>
 
 <!--
 <a href="{% url 'task-details-setstatus' task.pk 'discard' %}" class="btn btn-danger btn-sm" role="button"><i class="fas fa-sync-alt"></i> discard</a>&nbsp;