I don't know why but, everytime i need to restart the server to update the react page view even if it's a little change in layout, before i was used to only refresh the page without the necessity to restart my entire server, but it's very irritating, i tried to use the package hot-reloaded but it doesn't works, someone knows how to fix it?

Thanks

package.json

{
  "name": "docapp",
  "version": "0.1.0",
  "private": true,
  "dependencies": {
    "@testing-library/jest-dom": "^5.11.4",
    "@testing-library/react": "^11.1.0",
    "@testing-library/user-event": "^12.1.10",
    "bootstrap": "^5.1.3",
    "react": "^17.0.2",
    "react-dom": "^17.0.2",
    "react-router-dom": "^5.3.0",
    "react-scripts": "4.0.3",
    "reactstrap": "^9.0.0",
    "web-vitals": "^1.0.1"
  },
  "scripts": {
    "start": "react-scripts start",
    "build": "react-scripts build",
    "test": "react-scripts test",
    "eject": "react-scripts eject"
  },
  "eslintConfig": {
    "extends": [
      "react-app",
      "react-app/jest"
    ]
  },
  "browserslist": {
    "production": [
      ">0.2%",
      "not dead",
      "not op_mini all"
    ],
    "development": [
      "last 1 chrome version",
      "last 1 firefox version",
      "last 1 safari version"
    ]
  }
}

index.js

import React from 'react';
import ReactDOM from 'react-dom';
import './index.css';
import App from './App';
import reportWebVitals from './reportWebVitals';
import { BrowserRouter, Switch, Route, browserHistory } from 'react-router-dom';
import 'bootstrap/dist/css/bootstrap.min.css';

ReactDOM.render(
  <BrowserRouter>
    <Switch>
      <Route path='/' exact={true} component={App} />
    </Switch>
  </BrowserRouter>,
  document.getElementById('root')
);

reportWebVitals();

App.js

import logo from './logo.svg';
import React from 'react'
import './App.css';
import FormCadastro from './forms/FormCadastro'

class App extends React.Component {
  render() {
    return(
      <div className="App">
        <h1 style={{textAlign: 'center'}}>Formulario</h1>
        <FormCadastro/>
      </div>
    );
  }
}

export default App;