Examine source code of Amazon Unsponsor

{
  "name": "Amazon Unsponsor",
  "version": "0.99.9",
  "description": "Hide or highlight Amazon sponsored items",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.amazon.ae/*",
        "https://www.amazon.ca/*",
        "https://www.amazon.cn/*",
        "https://www.amazon.co.jp/*",
        "https://www.amazon.co.uk/*",
        "https://www.amazon.co.za/*",
        "https://www.amazon.com.au/*",
        "https://www.amazon.com.be/*",
        "https://www.amazon.com.br/*",
        "https://www.amazon.com.mx/*",
        "https://www.amazon.com.tr/*",
        "https://www.amazon.com/*",
        "https://www.amazon.de/*",
        "https://www.amazon.eg/*",
        "https://www.amazon.es/*",
        "https://www.amazon.fr/*",
        "https://www.amazon.in/*",
        "https://www.amazon.it/*",
        "https://www.amazon.nl/*",
        "https://www.amazon.pl/*",
        "https://www.amazon.sa/*",
        "https://www.amazon.se/*",
        "https://www.amazon.sg/*"
      ],
      "js": [
        "js/content.js"
      ]
    }
  ],
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/logo16.png",
      "48": "icons/logo48.png",
      "128": "icons/logo128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{114cc90b-5540-48c1-9009-4090ed2be9fb}",
      "strict_min_version": "109.0"
    }
  },
  "background": {
    "scripts": [
      "js/background.js"
    ],
    "service_worker": "js/background.js"
  },
  "manifest_version": 3
}