feat: (예약)plock을 세부 구분할 예정

hwe/sql/schema.sql

@@ -238,9 +238,11 @@ CREATE TABLE `troop` (
 
 CREATE TABLE `plock` (
 	`no` INT(11) NOT NULL AUTO_INCREMENT,
+	`type` ENUM('GAME', 'ETC', 'TOURNAMENT') NOT NULL DEFAULT 'GAME',
 	`plock` INT(1) NOT NULL DEFAULT '0',
 	`locktime` DATETIME(6) NOT NULL,
-	PRIMARY KEY (`no`)
+	PRIMARY KEY (`no`),
+	UNIQUE INDEX `type` (`type`)
 )
 DEFAULT CHARSET=utf8mb4
 ENGINE=Aria