change directory name

react+springboot/react-practice/practice/02 Route, Link/index.js

@@ -0,0 +1,15 @@
+import 'bootstrap/dist/css/bootstrap.min.css';
+import React from 'react';
+import ReactDOM from 'react-dom';
+import './index.css';
+import App from './App';
+import { BrowserRouter } from 'react-router-dom';
+
+ReactDOM.render(
+  <React.StrictMode>
+    <BrowserRouter>
+      <App />
+    </BrowserRouter>
+  </React.StrictMode>,
+  document.getElementById('root'),
+);