old_contents: import React from 'react';
  import { Link } from 'react-router';
  
  class App extends React.Component {
    render() {
      return (
        <div className="app">
          <h1>Welcome to KIM!</h1>
          <ul className="navbar">
            <li><Link to={'/jewelry'}>Jewelry Products</Link></li>
            <li><Link to={'/materials'}>Materials</Link></li>
            <li><Link to={'/products'}>Other Products</Link></li>
            <li><Link to={'/purchaseorders'}>Purchase Orders</Link></li>
            <li><Link to={'/sales'}>Sales</Link></li>
            <li><Link to={'/vendors'}>Vendors</Link></li>
            <li><Link to={'/settings'}>Settings</Link></li>
          </ul>
          {this.props.children}
        </div>
      );
    }
  }
  
  export default App;
  
new_contents: import React from 'react';
  import { Link, IndexLink } from 'react-router';
  
  class App extends React.Component {
    render() {
      return (
        <div className="app">
          <div className="logo-wrapper">
            <img className="logo" src="../../assets/WebsiteHeader.png" alt="Kristin Miller Jewelry"/>
          </div>
          <div className="navbar container">
            <IndexLink to={"/"} className="navlink" activeClassName="active">Jewelry Products</IndexLink>
            <Link to={"/materials"} className="navlink" activeClassName="active">Materials</Link>
            <Link to={"/products"} className="navlink" activeClassName="active">Other Products</Link>
            <Link to={"/purchaseorders"} className="navlink" activeClassName="active">Purchase Orders</Link>
            <Link to={"/sales"} className="navlink" activeClassName="active">Sales</Link>
            <Link to={"/vendors"} className="navlink" activeClassName="active">Vendors</Link>
            <Link to={"/settings"} className="navlink" activeClassName="active">Settings</Link>
          </div>
          {this.props.children}
        </div>
      );
    }
  }
  
  export default App;
  
subject: Add header logo, index route, and navbar classes