{
  "name": "{{ instance_name }}",
  "short_name": "{{ instance_name }}",
  "icons": [
    {
      "src": "{{ url_for('static', filename='img/favicon.svg', _external=True) }}",
      "sizes": "any",
      "type": "image/svg+xml"
    },
    {
      "src": "{{ url_for('static', filename='img/192.png', _external=True) }}",
      "sizes": "192x192",
      "type": "image/png"
    },
    {
      "src": "{{ url_for('static', filename='img/512.png', _external=True) }}",
      "sizes": "512x512",
      "type": "image/png"
    }
  ],
  "start_url": "{{ url_for('index') }}",
  "theme_color": "{{ theme_color }}" ,
  "background_color": "{{ background_color }}",
  "display": "standalone"
}