{
    "name": "",
    "short_name": "",
    "description": "",
    "start_url": "",
    "scope": "",
    "display": "",
    "orientation": "",
    "theme_color": "",
    "background_color": "",
    "lang": "",
    "dir": "ltr",
    "icons": [],
    "categories": [
        "books",
        "education"
    ]
}