fix: add missing fields to config schema

src/commands/economy/exam.ts

@@ -5,7 +5,7 @@ import { createErrorEmbed, createSuccessEmbed } from "@lib/embeds";
 import { userTimers, users } from "@/db/schema";
 import { eq, and, sql } from "drizzle-orm";
 import { DrizzleClient } from "@/lib/DrizzleClient";
-import config from "@/config/config.json";
+import { config } from "@lib/config";
 
 const EXAM_TIMER_TYPE = 'EXAM_SYSTEM';
 const EXAM_TIMER_KEY = 'default';