text: import { Card, Layout, Page, AppProvider } from "@shopify/polaris";
  import "@shopify/polaris/styles.css";
  import './index.css'
  export default class Index extends React.Component {
    static async getInitialProps({ req }) {
      const userAgent = req ? req.serverData : {}
      return { userAgent }
    }
    state = {
      amount: 0
    };
    render() {
      return (
        <AppProvider>
          <Page>
            <Layout>
              <Card>App Is Working</Card>
            </Layout>
          </Page>
        </AppProvider>
      );
    }
  }
  