adds is_canceled to the tournament admin

tournaments/admin.py

@@ -80,7 +80,7 @@ class EventAdmin(SyncedObjectAdmin):
     display_images_preview.short_description = 'Images Preview'
 
 class TournamentAdmin(SyncedObjectAdmin):
-    list_display = ['display_name', 'event', 'is_private', 'start_date', 'payment', 'creator']
+    list_display = ['display_name', 'event', 'is_private', 'start_date', 'payment', 'creator', 'is_canceled']
     list_filter = [StartDateRangeFilter, 'is_deleted', 'event__creator']
     ordering = ['-start_date']
     search_fields = ['id']