text: import React from "react";
  import { Segment } from "semantic-ui-react";
  import { TopMenu } from "./components/TopMenu";
  import { SubMenu } from "./components/SubMenu";
  import { Layout } from "./components/Layout";
  
  const App = () => (
    <Layout side={<SubMenu />}>
      <TopMenu>
        <SubMenu />
      </TopMenu>
      <div>
        <Segment basic>Main content</Segment>
      </div>
    </Layout>
  );
  
  export default App;
  