Update README.md

add fireproof under Data Stores
remove react-3ducks (<10 stars, no updates for >5 yrs)

Author: crazymetakow

README.md

@@ -803,9 +803,9 @@ _Data flow / data management / data stores / components state / data flow_
 - [baobab-react](https://github.com/Yomguithereal/baobab-react) - React integration for Baobab.
 - [cerebral](https://github.com/cerebral/cerebral) - A state controller with its own debugger.
 - [effector-react](https://github.com/effector/effector) - React bindings for effector, an effective multi-store state manager.
+- [fireproof](https://github.com/fireproof-storage/fireproof) - [demo](https://fireproof.storage/try-free/) - [docs](https://use-fireproof.com/docs/welcome) Pure JS, zero dependency, CRDT database - runs in the browser and connects to any cloud or backend
 - [fluxible](https://github.com/yahoo/fluxible) - A pluggable container for universal flux applications.
 - [kea](https://github.com/mariusandra/kea) - High level architecture for React apps.
-- [react-3ducks](https://github.com/smakazmi/react-3ducks) - [demo](https://stackblitz.com/github/smakazmi/react-3ducks/tree/master/examples/todos) - Simple state management solution for React.
 - [react-i13n](https://github.com/yahoo/react-i13n) - A performant, scalable and pluggable approach to instrumenting your React application.
 - [react-redux](https://github.com/reactjs/react-redux) - Official React bindings for Redux.
 - [redux-batched-actions](https://github.com/tshelburne/redux-batched-actions) - Reducer + action to reduce actions under a single subscriber notification.