manifest.json

{
    "name": "Interactive Breathing",
    "short_name": "breathe!",
    "start_url": "./",
    "display": "fullscreen",
    "background_color": "#f9e5b0",
    "description": "https://www.wimhofmethod.com/breathing-techniques",
    "dir": "ltr",
    "categories": "lifestyle",
    "lang": "en",
    "orientation": "portrait",
    "scope": "./",
    "theme_color": "#0d3b68",
    "icons": [
        {
          "src": "./img/android-icon-36x36.png",
          "sizes": "36x36",
          "type": "image\/png",
          "density": "0.75"
        },
        {
          "src": "./img/android-icon-48x48.png",
          "sizes": "48x48",
          "type": "image\/png",
          "density": "1.0"
        },
        {
          "src": "./img/android-icon-72x72.png",
          "sizes": "72x72",
          "type": "image\/png",
          "density": "1.5"
        },
        {
          "src": "./img/android-icon-96x96.png",
          "sizes": "96x96",
          "type": "image\/png",
          "density": "2.0"
        },
        {
          "src": "./img/android-icon-144x144.png",
          "sizes": "144x144",
          "type": "image\/png",
          "density": "3.0"
        },
        {
          "src": "./img/android-icon-192x192.png",
          "sizes": "192x192",
          "type": "image\/png",
          "density": "4.0"
        },
        {
          "src": "./img/icon_48x48.png",
          "sizes": "48x48",
          "type": "image\/png"
        },
        {
          "src": "./img/icon_72x72.png",
          "sizes": "72x72",
          "type": "image\/png"
        },
        {
          "src": "./img/icon_96x96.png",
          "sizes": "96x96",
          "type": "image\/png"
        },
        {
          "src": "./img/icon_144x144.png",
          "sizes": "144x144",
          "type": "image\/png"
        },
        {
          "src": "./img/icon_168x168.png",
          "sizes": "168x168",
          "type": "image\/png"
        },
        {
          "src": "./img/icon_192x192.png",
          "sizes": "192x192",
          "type": "image\/png"
        }
    ],
    "serviceworker": {
      "src": "./MasterServiceWorker.js",
      "scope": "./",
      "type": "",
      "update_via_cache": "none"
    }
}