text: import React from "react";
  import { Helmet } from "react-helmet";
  import App from "../components/App";
  import { headData } from "../mock/data";
  import "bootstrap/dist/css/bootstrap.min.css";
  import "../style/main.scss";
  
  export default () => {
    const { title, lang, description } = headData;
  
    return (
      <>
        <Helmet>
          <meta charSet="utf-8" />
          <title>{title || "Gatsby Simplefolio"}</title>
          <html lang={lang || "en"} />
          <meta
            name="description"
            content={description || "Gatsby Simplefolio"}
          />
        </Helmet>
        <App />
      </>
    );
  };
  