virtualizor 2.8.1

use `virtualizor`;

ALTER TABLE `vps` ADD `admin_managed` int(5) not null DEFAULT '0';
ALTER TABLE `plans` ADD `admin_managed` int(5) not null DEFAULT '0';
ALTER TABLE `plans` ADD `shadow` INT(10) NOT NULL DEFAULT '0';
ALTER TABLE `servers` ADD `patch` INT(5) NOT NULL DEFAULT '0' AFTER `version`;

REPLACE INTO `registry` SET `name` = 'version', `value` = '2.8.1';