manifest.json

{
    "name": "Pollen PWA",
    "short_name": "PollenPWA",
    "start_url": "./index.html",
    "id": "./index.html",
    "display": "standalone",
    "description": "See pollen near you",
    "screenshots": [
        {
            "src": "./assets/img/Screenshot.png",
            "sizes": "352x636",
            "form_factor": "wide"
        },
        {
            "src": "./assets/img/Screenshot.png",
            "sizes": "352x636",
            "form_factor": "narrow"
        }
    ],
    "icons": [
        {
            "src": "./assets/img/birkIcon.png",
            "sizes": "48x48",
            "type": "image/png"
        },
        {
            "src": "./assets/img/icon-144-144.png",
            "sizes": "144x144",
            "type": "image/png"
        }
    ],
    "background_color": "#ffffff",
    "theme_color": "#ffffff",
    "orientation": "portrait-primary"
}