Examine source code of SERP Garuda – SERP Counter

{
  "manifest_version": 3,
  "name": "SERP Garuda – SERP Counter",
  "version": "1.0.0",
  "description": "SERP Garuda is a SERP counter that shows the true organic rank of Google results, skipping ads, map packs and AI Overviews.",
  "permissions": [
    "storage"
  ],
  "host_permissions": [
    "https://www.google.com/search*",
    "https://www.google.co.in/search*",
    "https://www.google.co.uk/search*",
    "https://www.google.ca/search*",
    "https://www.google.com.au/search*",
    "https://www.google.de/search*",
    "https://www.google.fr/search*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.google.com/search*",
        "https://www.google.co.in/search*",
        "https://www.google.co.uk/search*",
        "https://www.google.ca/search*",
        "https://www.google.com.au/search*",
        "https://www.google.de/search*",
        "https://www.google.fr/search*"
      ],
      "js": [
        "content.js"
      ],
      "css": [
        "styles.css"
      ],
      "run_at": "document_idle"
    }
  ],
  "action": {
    "default_title": "SERP Garuda"
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "serp-garuda@serp.one",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}