Improve API

docs/hello_world.ipynb

@@ -0,0 +1,26 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from great_ai import GreatAI\n",
+    "\n",
+    "\n",
+    "@GreatAI.create\n",
+    "def hello_world(name: str) -> str:\n",
+    "    return f\"Hello {name}!\"\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "language_info": {
+   "name": "python"
+  },
+  "orig_nbformat": 4
+ },
+ "nbformat": 4,
+ "nbformat_minor": 2
+}