text: import React from "react";
  import { NavLink } from "react-router-dom";
  
  export default function() {
      return (
          <div>
              <div>
                  <NavLink exact to="/">Discussion</NavLink>
              </div>
  
              <div>
                  <NavLink to="/rules">Rules</NavLink>
              </div>
  
              <div>
                  <NavLink to="/workflow">Workflow</NavLink>
              </div>
          </div>
      );
  }