npm install redux-thunk @redux-devtools/extension

import { applyMiddleware, legacy_createStore as createStore } from "redux";
import { composeWithDevTools } from "@redux-devtools/extension";
import thunkMiddleware from "redux-thunk";
import rootReducer from "./rootReducer";
 
 
const store = createStore(
  rootReducer,
  composeWithDevTools(applyMiddleware(thunkMiddleware))
);
 
export default store;