alphabetically order stat if same ranking

src/model/stat.rs

@@ -108,7 +108,7 @@ INNER JOIN rower r ON u.id = r.rower_id
 INNER JOIN logbook l ON r.logbook_id = l.id
 WHERE l.distance_in_km IS NOT NULL AND l.arrival LIKE '{year}-%' AND u.name != 'Externe Steuerperson'
 GROUP BY u.name
-ORDER BY rowed_km DESC;
+ORDER BY rowed_km DESC, u.name;
 "
         ))
         .fetch_all(db)