feat: use localhost on dev env

lib/db.ts

@@ -1,4 +1,4 @@
-export const DB_BASE_URL = 'https://dbd-db.neru.rip';
+export const DB_BASE_URL = process.env.NODE_ENV === 'development' ? '' : 'https://dbd-db.neru.rip';
 
 const _cache = new Map<string, Promise<any>>();