pdf-reader-web/pages/demo.tsx

import React from 'react';

import Navbar from '../components/Navbar';
import Sidebar from '../components/Sidebar';
import Toolbar from '../components/Toolbar';

const demo: React.FunctionComponent = () => {
  return (
    <>
      <Sidebar />
      <Navbar />
      <Toolbar />
    </>
  );
};

export default demo;