manifest.json

{
  "manifest_version": 3,
  "name": "Маркетплейсер",
  "description": "Сравнивает цены на товар на российских площадках",
  "version": "1.8",
  "author": {
    "name": "Seorgiy",
    "email": "george.sergeev2014@gmail.com"
   },
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    "service_worker": "background.js"
  },
  "icons": {
    "16": "images/icon-16.png",
    "32": "images/icon-32.png",
    "48": "images/icon-48.png",
    "128": "images/icon-128.png"
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    },
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      "js": ["markets/dns.js"]
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      "js": ["markets/yandex.js"]
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}