Notebook pip command addition

Author: orzel320

notebooks/demo2.ipynb

@@ -3,6 +3,35 @@
   {
    "cell_type": "code",
    "execution_count": null,
+   "id": "e183c9b2",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Defaulting to user installation because normal site-packages is not writeable\n",
+      "Looking in indexes: https://test.pypi.org/simple/\n",
+      "Requirement already satisfied: nbody-sim in C:\\Users\\Orzeł\\AppData\\Roaming\\Python\\Python314\\site-packages (0.1.dev2+ge4319e7b0.d20260411)\n",
+      "Requirement already satisfied: numpy>=1.22.0 in d:\\Program\\anaconda3\\envs\\RSE\\Lib\\site-packages (from nbody-sim) (2.4.3)\n",
+      "Requirement already satisfied: numba>=0.57.0 in d:\\Program\\anaconda3\\envs\\RSE\\Lib\\site-packages (from nbody-sim) (0.65.0)\n",
+      "Requirement already satisfied: pint>=0.22 in d:\\Program\\anaconda3\\envs\\RSE\\Lib\\site-packages (from nbody-sim) (0.25.3)\n",
+      "Requirement already satisfied: llvmlite<0.48,>=0.47.0dev0 in d:\\Program\\anaconda3\\envs\\RSE\\Lib\\site-packages (from numba>=0.57.0->nbody-sim) (0.47.0)\n",
+      "Requirement already satisfied: flexcache>=0.3 in d:\\Program\\anaconda3\\envs\\RSE\\Lib\\site-packages (from pint>=0.22->nbody-sim) (0.3)\n",
+      "Requirement already satisfied: flexparser>=0.4 in d:\\Program\\anaconda3\\envs\\RSE\\Lib\\site-packages (from pint>=0.22->nbody-sim) (0.4)\n",
+      "Requirement already satisfied: platformdirs>=2.1.0 in d:\\Program\\anaconda3\\envs\\RSE\\Lib\\site-packages (from pint>=0.22->nbody-sim) (4.9.6)\n",
+      "Requirement already satisfied: typing-extensions>=4.0.0 in d:\\Program\\anaconda3\\envs\\RSE\\Lib\\site-packages (from pint>=0.22->nbody-sim) (4.15.0)\n",
+      "Note: you may need to restart the kernel to use updated packages.\n"
+     ]
+    }
+   ],
+   "source": [
+    "pip install --index-url https://test.pypi.org/simple/ nbody-sim-RO"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
    "id": "d8c0bf52",
    "metadata": {},
    "outputs": [
@@ -24,7 +53,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "89b4a7c9218d41b892d8dc388b303611",
+       "model_id": "f1469bc562194eaf9b99a1cfcbb64a69",
        "version_major": 2,
        "version_minor": 0
       },