Add Tencent commonweal 404 page for react routes

See a variety of 404, join the public welfare activities [although Tencent eat very ugly].

import React, {Component} from "react"; class Page404 extends Component<any, any> { componentDidMount() { let script = document.createElement('script'); script.type = 'text/javascript'; script.src = `//qzonestyle.gtimg.cn/qzone/hybrid/app/404/search_children.js`; script.setAttribute('homePageUrl', '/') script.setAttribute('homePageName', 'return to the home page) document. GetElementsByTagName (' head') [0]. The appendChild (script). } render() { return ( <> </> ); } } export default Page404Copy the code