message: fix: make `auth` optional and set default value
diff: @@ -51,10 +51,10 @@ export class KintoneRestAPIClient {
  constructor({
  host,
  - auth: partialAuth
  + auth: partialAuth = {}
  }: {
  host: string;
  - auth: PartialAuth;
  + auth?: PartialAuth;
  }) {
  const auth = this.buildAuth(partialAuth);
  const params = this.buildParams(auth);
  