Examine source code of Treebu

{
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "version": "1.4.3.28",
  "manifest_version": 3,
  "browser_specific_settings": {
    "gecko": {
      "id": "addon@treebu.xyz",
      "strict_min_version": "58.0"
    }
  },
  "background": {
    "scripts": [
      "background.min.js"
    ]
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "activeTab"
  ],
  "content_security_policy": {
    "extension_pages": "default-src 'self'; img-src * 'self' data: https:; script-src 'self'; style-src 'unsafe-inline'; object-src 'self'; connect-src * 'self' data: https:; media-src * 'self' data: https:"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "css": [
        "styles.min.css"
      ],
      "js": [
        "jquery-3.7.0.min.js",
        "jquery-ui.min.js",
        "content-script.min.js"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "16": "/images/logo_16.png",
      "32": "/images/logo_32.png",
      "48": "/images/logo_48.png"
    },
    "default_title": "Enable / Disable"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "jquery-3.7.0.min.js",
        "jquery-ui.min.js",
        "panel.html",
        "treeltip.html",
        "images/logo.svg",
        "images/handle.png",
        "images/logo_48.png",
        "images/result.png",
        "font/*.*",
        "query-pdf.js"
      ],
      "matches": [
        "<all_urls>"
      ],
      "use_dynamic_url": true
    }
  ],
  "icons": {
    "16": "/images/logo_16.png",
    "32": "/images/logo_32.png",
    "48": "/images/logo_48.png",
    "128": "/images/logo_128.png"
  }
}