text: import React, { Component } from "react";
  import { Link } from "react-router-dom";
  export default class Nav extends Component {
    render() {
      return (
        <nav class="navbar navbar-expand-lg navbar-light bg-light rounded">
          <div class="collapse navbar-collapse" id="navbarsExample09">
            <ul class="navbar-nav mr-auto">
              <li class="nav-item">
                <Link class="nav-link" to="/customer/index">
                  List
                </Link>
              </li>
              <li class="nav-item">
                <Link class="nav-link" to="/customer/form">
                  Create
                </Link>
              </li>
              <li class="nav-item">
                <Link class="nav-link" to="/customer/edit/5">
                  Edit
                </Link>
              </li>
            </ul>
          </div>
        </nav>
      );
    }
  }
  