sort tournaments in event page

tournaments/views.py

@@ -266,7 +266,7 @@ def event(request, event_id):
         request,
         "tournaments/tournaments_list.html",
         {
-            'tournaments': event.tournaments.all(),
+            'tournaments': event.tournaments.all().order_by('start_date'),
             'first_title': event.club.name,
             'second_title': name,
             'head_title': name,