使用MeteorJS的渐进式web应用程序，如何链接manifest.json

{
  "name": "My Progressive Web App",
  "short_name": "My PWA",
  "description": "A progressive web app built with MeteorJS",
  "icons": [
    {
      "src": "/icons/icon-72x72.png",
      "sizes": "72x72",
      "type": "image/png"
    },
    {
      "src": "/icons/icon-96x96.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "/icons/icon-128x128.png",
      "sizes": "128x128",
      "type": "image/png"
    }
  ],
  "theme_color": "#ffffff",
  "background_color": "#ffffff"
}

<link rel="manifest" href="/manifest.json">

import { Router } from 'meteor/iron:router';

Router.configure({
  // 其他路由配置...
  onBeforeAction: function() {
    if (this.request.url === '/manifest.json') {
      this.response.writeHead(200, {'Content-Type': 'application/json'});
      this.response.end(JSON.stringify({}));
    } else {
      this.next();
    }
  }
});