{"name": "EPUBLab", "short_name": "EPUBLab", "start_url": "/", "display": "browser",
 "background_color": "#ffffff", "theme_color": "#1d5bf0",
 "icons": [{"src": "/static/img/icon-192.png", "sizes": "192x192", "type": "image/png"},
           {"src": "/static/img/icon-512.png", "sizes": "512x512", "type": "image/png"}]}