feat(db): create migration files

drizzle/0000_fuzzy_randall.sql

@@ -0,0 +1,16 @@
+CREATE TABLE IF NOT EXISTS `chats` (
+	`id` text PRIMARY KEY NOT NULL,
+	`title` text NOT NULL,
+	`createdAt` text NOT NULL,
+	`focusMode` text NOT NULL,
+	`files` text DEFAULT '[]'
+);
+--> statement-breakpoint
+CREATE TABLE IF NOT EXISTS `messages` (
+	`id` integer PRIMARY KEY NOT NULL,
+	`content` text NOT NULL,
+	`chatId` text NOT NULL,
+	`messageId` text NOT NULL,
+	`type` text,
+	`metadata` text
+);