{
  "name":             "Voltlingo — Technical English",
  "short_name":       "Voltlingo",
  "description":      "Learn Technical English for Engineers. Electronics, Embedded Systems & Automation.",
  "start_url":        "/",
  "display":          "standalone",
  "orientation":      "portrait-primary",
  "background_color": "#06070A",
  "theme_color":      "#06070A",
  "lang":             "en",
  "categories":       ["education", "productivity"],
  "icons": [
    { "src": "icons/icon-72.png",  "sizes": "72x72",  "type": "image/png", "purpose": "any maskable" },
    { "src": "icons/icon-96.png",  "sizes": "96x96",  "type": "image/png", "purpose": "any maskable" },
    { "src": "icons/icon-128.png", "sizes": "128x128","type": "image/png", "purpose": "any maskable" },
    { "src": "icons/icon-192.png", "sizes": "192x192","type": "image/png", "purpose": "any maskable" },
    { "src": "icons/icon-512.png", "sizes": "512x512","type": "image/png", "purpose": "any maskable" }
  ],
  "shortcuts": [
    {
      "name": "Continue Learning",
      "url":  "/?action=continue",
      "icons": [{ "src": "icons/icon-96.png", "sizes": "96x96" }]
    },
    {
      "name": "Daily Review",
      "url":  "/?action=review",
      "icons": [{ "src": "icons/icon-96.png", "sizes": "96x96" }]
    }
  ]
}