message: Update adding-swagger.md
diff: @@ -16,15 +16,12 @@ To add swagger to a `remult` application follow these steps:
  const app = express();
  let api = remultExpress();
  - const swaggerDocument = api.openApiDoc({ title: 'remult-react-todo' });
  - const options = {
  - swaggerOptions: {
  - url: "/api/swagger.json",
  - },
  - };
  +
  app.use(api);
  - app.get("/api/swagger.json", (req, res) => res.json(swaggerDocument));
  - app.use('/api/docs', swaggerUi.serve, swaggerUi.setup(swaggerDocument, options));
  + const openApiDocument = api.openApiDoc({ title: "remult-react-todo" });
  + app.get("/api/openApi.json", (req, res) => res.json(openApiDocument));
  + app.use('/api/docs', swaggerUi.serve, swaggerUi.setup(openApiDocument));
  +
  app.listen(3002, () => console.log("Server started"));
  ```
  