Examine source code of HTB Progress Crawler

{
  "manifest_version": 2,
  "name": "HTB Progress Crawler",
  "version": "0.7.0",
  "description": "Exports visible HTB Academy lessons and images to Markdown.",
  "permissions": [
    "activeTab",
    "tabs",
    "downloads",
    "storage",
    "https://enterprise.hackthebox.com/*",
    "https://academy.hackthebox.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "htb-crawler@your-email.com",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Export HTB module"
  },
  "content_scripts": [
    {
      "matches": [
        "https://enterprise.hackthebox.com/*",
        "https://academy.hackthebox.com/*"
      ],
      "js": [
        "turndown.min.js",
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ]
}