{   "name": "Change Helper Beryl Bow #18",   "short_name": "ChangeHelper",   "start_url": "/",   "display": "standalone",   "background_color": "#ffffff",   "theme_color": "#2563eb",   "description": "TND Cash Change Calculator | Beryl Bow Digital",   "icons": [     {"src":"icon-192.png","sizes":"192x192","type":"image/png"},     {"src":"icon-512.png","sizes":"512x512","type":"image/png"}   ] }