manifest.json

{
  "name": "Gradia",
  "short_name": "Gradia",
  "description": "Gradia by JVDesign allows you to calculate and organize your grades quickly and easily, even over multiple school years. Keep track of your academic performance offline and on your device.",
  "start_url": "./index.html",
  "scope": "./",
  "display": "standalone",
  "background_color": "#000000",
  "theme_color": "#9A7AA0",
  "orientation": "portrait",
  "lang": "de",
  "icons": [
    {
      "src": "./img/app_icon.png",
      "type": "image/png",
      "sizes": "192x192"
    }
  ],
  "screenshots": [
    {
      "src": "./img/ogimage.png",
      "type": "image/png",
      "sizes": "1200x630",
      "label": "Main UI"
    }
  ],
  "categories": ["education", "productivity"],
  "dir": "ltr"
}