good morning

Signed-off-by: Kenneth Obsequio <k80308392@gmail.com>

validators/auth.validator.js

@@ -28,6 +28,7 @@ const registerValidator = [
 const loginValidator = [
   body('email').isEmail().withMessage('Valid email is required.'),
   body('password').notEmpty().withMessage('Password is required.'),
+  body('group_code').optional().isString().trim(),
 ];
 
 const verifyOTPValidator = [