Examine source code of Kindlepathy Extractor

{
  "manifest_version": 3,
  "name": "Kindlepathy Extractor",
  "version": "1.0",
  "description": "Extracts content using Readability.js and logs the title.",
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "action": {
    "default_popup": "index.html"
  },
  "icons": {
    "16": "icon-16.png",
    "32": "icon-32.png",
    "128": "icon-128.png",
    "256": "icon-256.png",
    "512": "icon-512.png"
  },
  "host_permissions": [
    "http://localhost:8080/*",
    "https://kindlepathy.com/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "Readability.js",
        "DOMPurify.js",
        "alpine.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "kindlepathy@kindlepathy.com"
    }
  }
}