{ "name": "My Library", "short_name": "Library", "description": "Your bookshelf: read, listen and keep books on the device to read offline.", "start_url": "./", "scope": "./", "display": "standalone", "orientation": "any", "background_color": "#1d1410", "theme_color": "#1d1410", "categories": ["books", "education"], "icons": [ {"src": "icons/icon-192.png", "sizes": "192x192", "type": "image/png"}, {"src": "icons/icon-512.png", "sizes": "512x512", "type": "image/png"}, {"src": "icons/maskable-512.png", "sizes": "512x512", "type": "image/png", "purpose": "maskable"} ] }