Refactor instance suggestions

sql/playerbots/base/playerbots_dungeon_suggestion_abbrevation.sql

@@ -0,0 +1,26 @@
+USE acore_playerbots;
+
+DROP TABLE IF EXISTS `playerbots_dungeon_suggestion_abbrevation`;
+CREATE TABLE `playerbots_dungeon_suggestion_abbrevation` (
+    `id`              TINYINT(3)   NOT NULL AUTO_INCREMENT UNIQUE,
+    `definition_slug` VARCHAR(255) NOT NULL,
+    `abbrevation`     VARCHAR(16)  NOT NULL,
+
+    PRIMARY KEY (`id`),
+    KEY `definition_slug` (`definition_slug`)
+)
+ENGINE=MyISAM
+DEFAULT CHARSET=utf8
+ROW_FORMAT=FIXED
+COMMENT='Playerbot dungeon suggestion abbrevations';
+
+-- = Example =
+
+-- INSERT INTO `playerbots_dungeon_suggestion_abbrevation` VALUES
+
+-- (NULL, 'rfc', 'Ragefire'),
+-- (NULL, 'rfc', 'RFC'),
+-- (NULL, 'st', 'Sunken Temple'),
+-- (NULL, 'st', 'ST'),
+-- (NULL, 'stocks', 'Stockades');
+-- (NULL, 'stocks', 'Stockade');