feat(Core/Chat): Add chat filter with Aho-Corasick matching (#26051)

data/sql/updates/pending_db_characters/rev_1780325063053000000.sql

@@ -0,0 +1,12 @@
+-- Add `chat_filter` table for chat content filtering.
+DROP TABLE IF EXISTS `chat_filter`;
+CREATE TABLE `chat_filter` (
+    `ID` INT UNSIGNED NOT NULL AUTO_INCREMENT,
+    `Word` VARCHAR(255) NOT NULL,
+    PRIMARY KEY (`ID`) USING BTREE
+)
+CHARSET = utf8mb4
+COLLATE = utf8mb4_unicode_ci
+ENGINE = InnoDB
+ROW_FORMAT = DEFAULT
+;