feat: export isSuccess

Author: sxzz

src/client/index.ts

@@ -5,3 +5,4 @@ export * as limit from './utils/limit'
 export { RequestFailureError } from './errors/RequestFailureError'
 export { AuthorizationError } from './errors/AuthorizationError'
 export type { PaginatedOption } from './utils/paginate'
+export { isSuccess } from './utils/response'