(Edit) Chap05 -> Declaring routes -> Creating a component containing routes: put Header component back to App

QandA/frontend/src/App.tsx

@@ -4,6 +4,7 @@ import { css } from '@emotion/react';
 import React from 'react';
 import { BrowserRouter, Routes, Route } from 'react-router-dom';
 
+import { Header } from './Header';
 import { HomePage } from './HomePage';
 import { fontFamily, fontSize, gray2 } from './Styles';
 import { AskPage } from './AskPage';
@@ -14,6 +15,7 @@ import { NotFoundPage } from './NotFoundPage';
 function App() {
   return (
     <BrowserRouter>
+      <Header />
       <div
         css={css`
           font-family: ${fontFamily};