feat：- add sql

电子日历/3.0.0.sql

-alter table t_event_recurrence_rules
+alter table t_event_recurrence_rules
@@ -67,3 +67,7 @@ CREATE TABLE `t_meal_plan_user` (
     UNIQUE KEY `uk_plan_user` (`meal_plan_id`, `user_id`) COMMENT '计划用户唯一索引',
     KEY `idx_user_id` (`user_id`) COMMENT '用户ID索引'
 ) ENGINE = InnoDB DEFAULT CHARSET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT = '餐食计划用户表';
+
+alter table t_meal_plan
+    add is_recurring tinyint default 0 null comment '是否重复：0 表示否，1 表示是。' after meal_remark;
+