Code refactoring

Author: BobsProgrammingAcademy

src/App.js

@@ -1,6 +1,8 @@
 import { useState, useEffect, useMemo } from 'react';
 import { BrowserRouter, Routes, Route } from 'react-router-dom';
 import { HelmetProvider, Helmet } from 'react-helmet-async';
+
+// Material UI
 import { ThemeProvider } from '@mui/material/styles';
 import CssBaseline from '@mui/material/CssBaseline';