added mixed as category

rowers/templates/virtualevent.html

@@ -160,6 +160,7 @@
             <th>Team Name</th>
             <th>Boat</th>
             <th>Age</th>
+            <th>Gender</th>
             <th>Weight Category</th>
           </tr>
         <tbody>
@@ -169,6 +170,7 @@
             <td>{{ record.teamname }}</td>
             <td>{{ record.boattype }}</td>
             <td>{{ record.age }}</td>
+            <td>{{ record.sex }}</td>
             <td>{{ record.weightcategory }}</td>
             {% if record.userid == rower.id and 'withdrawbutton' in buttons %}
             <td>