dart format

lib/data/tables/user_group_table.dart

@@ -2,11 +2,10 @@ import 'package:drift/drift.dart';
 import 'group_table.dart';
 import 'user_table.dart';
 
-
 class UserGroupTable extends Table {
   TextColumn get userId => text().references(UserTable, #id)();
   TextColumn get groupId => text().references(GroupTable, #id)();
 
   @override
   Set<Column<Object>> get primaryKey => {userId, groupId};
-}
+}