Examine source code of PackyCode Cost

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    "default_popup": "popup.html"
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  "version": "1.2.1",
  "author": "lanarthur",
  "name": "PackyCode Cost",
  "description": "PackyCode 使用额度和预算监控插件，实时查看每日和每月额度使用情况",
  "homepage_url": "https://github.com/lanarthur/firefox-packycode-cost",
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      "js": [
        "content.0286da44.js"
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  "browser_specific_settings": {
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