feat: openapi client generation

src/client/index.ts

@@ -0,0 +1,8 @@
+/* generated using openapi-typescript-codegen -- do not edit */
+/* istanbul ignore file */
+/* tslint:disable */
+/* eslint-disable */
+export { ApiError } from "./core/ApiError";
+export { CancelablePromise, CancelError } from "./core/CancelablePromise";
+export { OpenAPI } from "./core/OpenAPI";
+export type { OpenAPIConfig } from "./core/OpenAPI";