{
  "name": "Newsletter Page",
  "short_name": "Newsletter",
  "start_url": "/pages/newsletter-offline",
  "display": "standalone",
  "background_color": "#ffffff",
  "theme_color": "#6d6a63",
  "orientation": "portrait",
  "icons": [
    {
      "src": "{{ 'icon-192.png' | asset_url }}",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "{{ 'icon-512.png' | asset_url }}",
      "sizes": "512x512",
      "type": "image/png"
    }
  ]
}