chore(DB): import pending files

Referenced commit(s): 0c4feb6744

data/sql/updates/db_auth/2023_02_20_00.sql

@@ -0,0 +1,12 @@
+-- DB update 2023_01_31_00 -> 2023_02_20_00
+--
+DROP TABLE IF EXISTS `motd`;
+CREATE TABLE `motd` (
+    `realmid` INT NOT NULL,
+    `text` LONGTEXT NULL DEFAULT NULL,
+    PRIMARY KEY (`realmid`)
+) ENGINE=InnoDB;
+
+DELETE FROM `motd` WHERE  `realmid`=1;
+INSERT INTO `motd` (`realmid`, `text`) VALUES
+(-1, 'Welcome to an AzerothCore server.');