message: doc: add some tips about browser compatibilty
diff: @@ -19,3 +19,7 @@ No, `useRequest` is a independent package, can be used by installing `@ahooksjs/
  ### I only want to use one or two of them, but all the hooks are compiled after the project is compiled.
  See [Import On demand](/docs/getting-started?anchor=import-on-demand)
  +
  +### Browser compatibilty
  +
  +Some of the Hooks depend on some new features of ES (e.g. `Set` / `Map` / `Promise`). If you need to support older browsers (e.g. IE <= 11), consider inlcuding a global polyfill in your bundled application, such as [core-js](https://github.com/zloirock/core-js) or [babel-polyfill](https://babeljs.io/docs/usage/polyfill/).
  