chore: Update README.md

Author: CJY0208

README.md

@@ -3,6 +3,13 @@
 - DO NOT use `<React.StrictMode />`
 - (React v18+) DO NOT use `ReactDOMClient.createRoot`, use `ReactDOM.render` instead, https://github.com/CJY0208/react-activation/issues/225#issuecomment-1311136388
 
+   or You can disable `autoFreeze` to work with `createRoot` though this may result in performance loss
+
+  ```jsx
+  import { KeepAlive } from 'react-activation'
+  KeepAlive.defautProps.autoFreeze = false // default 'true'
+  ```
+
 # React Activation
 
 [![size](https://img.shields.io/bundlephobia/minzip/react-activation@latest.svg)](https://bundlephobia.com/result?p=react-activation@latest)