text: import React from 'react';
  import ReactDOM from 'react-dom';
  import { Link } from 'react-router-dom';
  
  class Header extends React.Component{
    render(){
      return (
          <nav className="navbar navbar-expand-lg navbar-light bg-light">
            <div className="container-fluid">
              <a className="navbar-brand" href="/admin">L0G0</a>
              <button className="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
                <span className="navbar-toggler-icon"></span>
              </button>
              <div className="collapse navbar-collapse" id="navbarSupportedContent">
                <ul className="navbar-nav me-auto mb-2 mb-lg-0">
                    <li className="nav-item">
                      <Link className="nav-link" to="/admin/login">Login</Link>
                    </li>
                    <li className="nav-item">
                    <Link className="nav-link" to="/admin/test">test</Link>
                  </li>
                  <li className="nav-item dropdown">
                    <a className="nav-link dropdown-toggle" href="#" id="navbarDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
                      Dropdown
                    </a>
                    <ul className="dropdown-menu" aria-labelledby="navbarDropdown">
                      <li><a className="dropdown-item" href="#">Action</a></li>
                      <li><a className="dropdown-item" href="#">Another action</a></li>
                      <li><hr className="dropdown-divider" /></li>
                      <li><a className="dropdown-item" href="#">Something else here</a></li>
                    </ul>
                  </li>
                  <li className="nav-item">
                    <a className="nav-link disabled">Disabled</a>
                  </li>
                </ul>
                <form className="d-flex">
                  <input className="form-control me-2" type="search" placeholder="Search" aria-label="Search" />
                  <button className="btn btn-outline-success" type="submit">Search</button>
                </form>
              </div>
            </div>
          </nav>
      );
    }
  }
  
  export default Header;