manifest.json

{
    "short_name": "Schale DB",
    "name": "Schale DB",
    "icons": [
      {
        "src": "./images/icon/maskable_icon_x512.png",
        "type": "image/png",
        "sizes": "512x512",
        "purpose": "maskable"
      },
      {
        "src": "./images/icon/maskable_icon_x192.png",
        "type": "image/png",
        "sizes": "192x192",
        "purpose": "maskable"
      },
      {
        "src": "./images/icon/icon_x512.png",
        "type": "image/png",
        "sizes": "512x512",
        "purpose": "any"
      },
      {
        "src": "./images/icon/icon_x192.png",
        "type": "image/png",
        "sizes": "192x192",
        "purpose": "any"
      }
    ],
    "start_url": "./",
    "background_color": "#212529",
    "display": "standalone",
    "scope": "./",
    "theme_color": "#212529",
    "description": "A database for the mobile game Blue Archive"
  }