{   "name": "Private Album",   "short_name": "Album",   "start_url": "/",   "scope": "/",   "display": "standalone",   "orientation": "portrait-primary",   "background_color": "#0f0f1a",   "theme_color": "#0f0f1a",   "icons": [     {"src": "/static/icons/icon-192.png", "sizes": "192x192", "type": "image/png", "purpose": "any maskable"},     {"src": "/static/icons/icon-512.png", "sizes": "512x512", "type": "image/png", "purpose": "any maskable"}   ] }