manifest-pwa.json

{
  "name": "Demo_PWA_Meteor",
  "short_name": "Demo_PWA_Meteor",
  "start_url": "/?homescreen=1",
  "scope": "/",
  "display": "standalone",
  "background_color": "#FAFAFA",
  "theme_color": "#a82d66",
  "orientation": "portrait",
  "description": "Description of your app or web app.",
  "icons": [
    {
      "src": "https://your_assets_icon/icon-192x192.png",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "https://your_assets_icon/icon-256x256.png",
      "sizes": "256x256",
      "type": "image/png"
    },
    {
      "src": "https://your_assets_icon/icon-384x384.png",
      "sizes": "384x384",
      "type": "image/png"
    },
    {
      "src": "https://your_asset_icon/icon-512x512.png",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}