Examine source code of bookmark-tab-manager-fx

{
  "manifest_version": 3,
  "name": "Bookmark Tab Manager",
  "version": "1.4.5",
  "description": "Organize your bookmarks beautifully. Custom folders, drag & drop, clock, weather, themes and more on every new tab.",
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "permissions": [
    "storage",
    "geolocation",
    "bookmarks",
    "notifications",
    "alarms",
    "tabs",
    "contextMenus",
    "history"
  ],
  "background": {
    "service_worker": "background.js",
    "scripts": [
      "background.js"
    ]
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    },
    "default_title": "Bookmark Tab Manager"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; media-src data: blob: https://www.soundhelix.com https://assets.mixkit.co *;"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "bookmark-tab-manager@teamexykings.com",
      "strict_min_version": "109.0"
    }
  },
  "data_collection_permissions": {
    "required": [],
    "optional": []
  }
}