update README

Author: dai-shi

README.md

@@ -13,6 +13,7 @@ Here's the index of those.
 [![CI](https://img.shields.io/github/workflow/status/dai-shi/reactive-react-redux/CI)](https://github.com/dai-shi/reactive-react-redux/actions?query=workflow%3ACI)
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 React Redux binding with React Hooks and Proxy