{
  "name": "{{ app_name }}",
  "short_name": "{{ app_name }}",
  "start_url": "{{ url_for('index') }}",
  "display": "standalone",
  "background_color": "#0a0d14",
  "theme_color": "#0a0d14",
  "icons": [
    { "src": "{{ url_for('static', filename='icon-180.png') }}", "sizes": "180x180", "type": "image/png" },
    { "src": "{{ url_for('static', filename='icon-512.png') }}", "sizes": "512x512", "type": "image/png", "purpose": "any maskable" }
  ]
}