Examine source code of deepseek switch direction

{
  "manifest_version": 2,
  "name": "deepseek rtl",
  "version": "1.1",
  "description": "افزودن/حذف dir=\"rtl\" به عناصر با کلاس ds-scroll-area",
  "browser_specific_settings": {
    "gecko": {
      "id": "deepseek_rtl@rkaviani.dev",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "تغییر جهت اسکرول"
  },
  "icons": {
    "48": "icon.svg",
    "96": "icon.svg"
  }
}