refactor: 공백 제거

Author: Jihyun3478

src/services/qr.service.ts

@@ -6,12 +6,12 @@ export class QRLoginTokenService {
     constructor(private qrRepo: QRLoginTokenRepository) {}
 
     async create(userId: number, ip: string, userAgent: string): Promise<string> {
-        const token =  randomUUID();
+        const token = randomUUID();
         await this.qrRepo.createQRLoginToken(token, userId, ip, userAgent);
         return token;
     }
 
     async getByToken(token: string): Promise<QRLoginToken | null> {
         return await this.qrRepo.findQRLoginToken(token);
     }
-}
+}