store-project/src/App.js

import "./App.css";
import { Box } from "@mui/material";
import { BrowserRouter } from "react-router-dom";
import { CRoot, Root } from "./components/Root";
import { Provider } from "react-redux";
import { store } from "./reducers";
import { UIContextProvider } from "./components/UIContext";

function App() {
    return (
        <Provider store={store}>
            <BrowserRouter>
                <UIContextProvider>
                    <Box className="App">
                        <CRoot />
                    </Box>
                </UIContextProvider>
            </BrowserRouter>
        </Provider>
    );
}

store.subscribe(() => console.log(store.getState()));
export default App;