Examine source code of datagrabber-scraper

{
  "manifest_version": 2,
  "name": "DataGrabber - Web Scraper & Table Extractor",
  "version": "1.0.1",
  "description": "Extraia tabelas e listas estruturadas de qualquer site para CSV ou JSON com 1 clique.",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "downloads",
    "<all_urls>"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/icon-48.png",
    "default_title": "DataGrabber - Extrator de Dados",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "datagrabber-scraper@localbuild.org",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}