Examine source code of Website to Markdown

{
  "manifest_version": 3,
  "name": "Website to Markdown",
  "version": "1.0.3",
  "description": "Export any webpage to a clean Markdown file. Uses Firefox's Reader View to extract the main content, converts it to Markdown, and optionally downloads all images.",
  "icons": {
    "16": "icons/icon-16.svg",
    "32": "icons/icon-32.svg",
    "48": "icons/icon-48.svg",
    "96": "icons/icon-96.svg",
    "128": "icons/icon-128.svg"
  },
  "developer": {
    "name": "Chris",
    "url": "https://github.com/chris/website-to-markdown"
  },
  "permissions": [
    "activeTab",
    "downloads",
    "storage",
    "menus"
  ],
  "action": {
    "default_popup": "popup/popup.html",
    "default_title": "Export to Markdown",
    "default_icon": {
      "16": "icons/icon-16.svg",
      "32": "icons/icon-32.svg",
      "48": "icons/icon-48.svg",
      "96": "icons/icon-96.svg"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "commands": {
    "export-to-markdown": {
      "suggested_key": {
        "default": "Ctrl+Shift+E"
      },
      "description": "Export current page to Markdown"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "website-to-markdown@panique",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}