add notebook on usage

Author: matthewhanson

docs/stactask-usage.ipynb

@@ -0,0 +1,53 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "8f95ee5b-3b77-4128-95ea-a9f28d4dc06c",
+   "metadata": {},
+   "source": [
+    "# STAC Task\n",
+    "\n",
+    "Create a new task that does something"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 1,
+   "id": "353e4df5-91bb-4633-acdf-365e56937d16",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from stactask import Task"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "cdafa18b-9af2-4f75-829d-b88cd4f54aa5",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "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": "3.10.6"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}