Examine source code of Google™ Review QR Code Link

{
  "manifest_version": 3,
  "name": "Google™ Review QR Code Generator",
  "version": "1.0.1",
  "description": "This extension allows users to easily generate Google™ Review QR Codes. Instantly generate a QR code, shortlink, and templates.",
  "permissions": [
    "webRequest",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "host_permissions": [
    "*://*.google.com/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "css/bootstrap.css"
      ],
      "run_at": "document_start"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "popup.html"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "google-review-qr-code-generator@wiremo.co",
      "strict_min_version": "91.0"
    }
  }
}