Include Jupyter Notebook

Currently, as I can see, the only way to include a Jupyter notebook is to include it as a plain file and maybe mark it as a json file to look nice.

See issue 2480

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "a3a87cd7-bf94-4ba7-a597-76181b8868c3",
   "metadata": {},
   "outputs": [],
   "source": [
    "x = 42"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "3a88b7ea-64e3-421b-8524-8dc93e2681a5",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "42"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x"
   ]
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3 (ipykernel)",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.12.7"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}