Examine source code of G Maps Ranking Extractor

{
  "manifest_version": 2,
  "version": "1.0",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icons/logo.png",
    "default_title": "G Maps Ranking Extractor"
  },
  "content_scripts": [
    {
      "js": [
        "content-script.js"
      ],
      "matches": [
        "*://*/search*",
        "*://*/maps/search*",
        "*://*/maps*",
        "*://*/localservices*"
      ],
      "include_globs": [
        "*://*google.*/*"
      ],
      "run_at": "document_idle"
    }
  ],
  "description": "Extract Maps rankings from popular search engines with one click. The must-have plugin for Local SEO.",
  "homepage_url": " https://www.stephan-czysch.de/google-maps-ranking-extractor",
  "icons": {
    "48": "icons/logo-48.png",
    "96": "icons/logo-96.png"
  },
  "name": "G Maps Ranking Extractor",
  "permissions": [
    "notifications",
    "clipboardWrite"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5b3718c5-25d1-4b8a-9f40-1a6e714248b0}"
    }
  }
}