Remove unnecessary code from generated project

package.json

@@ -6,6 +6,7 @@
     "@testing-library/jest-dom": "^4.2.4",
     "@testing-library/react": "^9.5.0",
     "@testing-library/user-event": "^7.2.1",
+    "bootstrap": "^4.5.2",
     "react": "^16.13.1",
     "react-dom": "^16.13.1",
     "react-scripts": "3.4.3"

src/App.css

@@ -2,17 +2,6 @@
   text-align: center;
 }
 
-.App-logo {
-  height: 40vmin;
-  pointer-events: none;
-}
-
-@media (prefers-reduced-motion: no-preference) {
-  .App-logo {
-    animation: App-logo-spin infinite 20s linear;
-  }
-}
-
 .App-header {
   background-color: #282c34;
   min-height: 100vh;
@@ -23,16 +12,3 @@
   font-size: calc(10px + 2vmin);
   color: white;
 }
-
-.App-link {
-  color: #61dafb;
-}
-
-@keyframes App-logo-spin {
-  from {
-    transform: rotate(0deg);
-  }
-  to {
-    transform: rotate(360deg);
-  }
-}

src/App.js

@@ -1,23 +1,11 @@
 import React from 'react';
-import logo from './logo.svg';
 import './App.css';
 
 function App() {
   return (
     <div className="App">
       <header className="App-header">
-        <img src={logo} className="App-logo" alt="logo" />
-        <p>
-          Edit <code>src/App.js</code> and save to reload.
-        </p>
-        <a
-          className="App-link"
-          href="https://reactjs.org"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Learn React
-        </a>
+
       </header>
     </div>
   );