FEAT: add installation guide

nbs/examples/Installation.ipynb

@@ -0,0 +1,66 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "14f5686c-449b-4376-8c58-fc8141f4b0f8",
+   "metadata": {},
+   "source": [
+    "# Install\n",
+    "\n",
+    "> Install HierachicalForecast with pip or conda"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "0f1d1483-6da7-4372-8390-84c9c280109e",
+   "metadata": {},
+   "source": [
+    "You can install the *released version* of `HierachicalForecast` from the [Python package index](https://pypi.org) with:\n",
+    "\n",
+    "```python\n",
+    "pip install hierachicalforecast\n",
+    "```\n",
+    "\n",
+    "or \n",
+    "\n",
+    "```python\n",
+    "conda install -c conda-forge hierachicalforecast\n",
+    "``` \n",
+    "\n",
+    ":::{.callout-tip}\n",
+    "We recommend installing your libraries inside a python virtual or [conda environment](https://docs.conda.io/projects/conda/en/latest/user-guide/install/macos.html).\n",
+    ":::\n",
+    "\n",
+    "#### User our env (optional)\n",
+    "\n",
+    "If you don't have a Conda environment and need tools like Numba, Pandas, NumPy, Jupyter, StatsModels, and Nbdev you can use ours by following these steps:\n",
+    "\n",
+    "1. Clone the HierachicalForecast repo: \n",
+    "\n",
+    "```bash \n",
+    "$ git clone https://github.com/Nixtla/hierachicalforecast.git && cd hierachicalforecast\n",
+    "```\n",
+    "\n",
+    "2. Create the environment using the `environment.yml` file: \n",
+    "\n",
+    "```bash \n",
+    "$ conda env create -f environment.yml\n",
+    "```\n",
+    "\n",
+    "3. Activate the environment:\n",
+    "```bash\n",
+    "$ conda activate statsforecast\n",
+    "```"
+   ]
+  }
+ ],
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+   "display_name": "Python 3 (ipykernel)",
+   "language": "python",
+   "name": "python3"
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