Examine source code of NotebookLM RTL

{
  "manifest_version": 2,
  "name": "NotebookLM RTL",
  "version": "1.0.0",
  "description": "Applies RTL direction and Vazirmatn font to NotebookLM's artifact viewer.",
  "icons": {
    "48": "icon.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://notebooklm.google.com/*"
      ],
      "css": [
        "content.css"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "notebooklm-rtl@tabashir.dev",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {}
  }
}