add exam cert log

1745379500_create_exam_cert_log.up.sql

@@ -0,0 +1,9 @@
+CREATE TABLE `ufutx_exam_cert_log` (
+    `id` BIGINT NOT NULL AUTO_INCREMENT , 
+    `user_id` int NOT NULL COMMENT "用户id",
+    `paper_id` int NOT NULL COMMENT "试卷id",
+    `status` tinyint NOT NULL COMMENT "状态, 0:审核中, 1:已通过，-1:已拒绝",
+    `created_at` TIMESTAMP NULL DEFAULT NULL , 
+    `updated_at` TIMESTAMP NULL DEFAULT NULL , 
+    PRIMARY KEY (`id`)
+) ENGINE = InnoDB COMMENT = '测试试卷';