Examine source code of Prime Reviews Pro

{
  "manifest_version": 3,
  "name": "Prime Reviews Pro — Fake Review Checker",
  "version": "1.5.3",
  "description": "Scores Amazon and Trustpilot reviews for authenticity signals while you shop. Free, no signup, and it says why each is flagged.",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Prime Reviews Pro",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "host_permissions": [
    "https://primereviewspro.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.amazon.com/*",
        "https://*.amazon.co.uk/*",
        "https://*.amazon.ca/*",
        "https://*.amazon.com.au/*",
        "https://*.amazon.de/*",
        "https://*.amazon.fr/*",
        "https://*.amazon.es/*",
        "https://*.amazon.it/*",
        "https://*.amazon.in/*",
        "https://*.amazon.co.jp/*",
        "https://*.amazon.com.mx/*",
        "https://*.amazon.com.br/*",
        "https://*.amazon.nl/*",
        "https://*.amazon.se/*",
        "https://*.amazon.pl/*",
        "https://*.amazon.com.tr/*",
        "https://*.amazon.ae/*",
        "https://*.amazon.sa/*",
        "https://*.amazon.sg/*",
        "https://*.amazon.com.be/*",
        "https://*.amazon.eg/*",
        "https://*.amazon.cl/*",
        "https://*.trustpilot.com/*",
        "https://trustpilot.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@primereviewspro.com",
      "strict_min_version": "115.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  }
}