Examine source code of DNS & IP Resolver

{
  "manifest_version": 2,
  "name": "DNS & IP Resolver without data collection",
  "version": "1.2.1",
  "description": "Résout les noms de domaine et adresses IP via le menu contextuel avec informations détaillées",
  "author": "Guy SOW",
  "homepage_url": "https://github.com/oolphin/Firefox_dns_ip_resolver_extension",
  "permissions": [
    "contextMenus",
    "activeTab",
    "storage",
    "dns",
    "notifications",
    "bookmarks",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "dnsDetector.js",
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "support@thetekitpro.fr",
      "strict_min_version": "91.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}