{
  "theme_color": "#4caf50",
  "background_color": "#4caf50",
  "icons": [
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      "src": "icons/logo-48x48.png",
      "sizes": "48x48",
      "type": "image/png"
    },
    {
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      "sizes": "72x72",
      "type": "image/png"
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      "src": "icons/logo-96x96.png",
      "sizes": "96x96",
      "type": "image/png"
    },
    {
      "src": "icons/logo-128x128.png",
      "sizes": "128x128",
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    {
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      "sizes": "144x144",
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    },
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      "sizes": "152x152",
      "type": "image/png"
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      "sizes": "192x192",
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    {
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      "sizes": "256x256",
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      "src": "icons/logo-384x384.png",
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  ],
  "orientation": "portrait",
  "display": "standalone",
  "dir": "auto",
  "lang": "vi-VN",
  "name": "Gas Ngọc",
  "start_url": "/",
  "scope": "/",
  "description": "Đặt gas nhanh chóng, hiệu quả"
}