Move App to Components folder #1

frontend/src/App.tsx → frontend/src/Components/App.tsx

 import React from 'react';
-import './App.css';
 
 const App = () => {
   return (

frontend/src/index.tsx

 import React from 'react';
 import ReactDOM from 'react-dom';
-import './index.css';
-import App from './App';
+import App from './Components/App';
 
 ReactDOM.render(
     <App />,

frontend/src/react-app-env.d.ts

+/// <reference types="react-scripts" />