Automatically create .env file in notebook

notebooks/hud_hackathon.ipynb

@@ -30,10 +30,19 @@
     "1. Create a Cua account at https://www.trycua.com/\n",
     "2. Start a Cua container at https://www.trycua.com/dashboard/containers\n",
     "3. Create a HUD account at https://www.hud.so/\n",
-    "4. Create a .env file like this:\n",
+    "4. Create a .env file:"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "1757f145",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "# Create a .env file if it doesn't exist\n",
     "\n",
-    "```\n",
-    "# Required environment variables:\n",
+    "ENV_TEMPLATE = \"\"\"# Required environment variables:\n",
     "CUA_API_KEY=\n",
     "CUA_CONTAINER_NAME=\n",
     "HUD_API_KEY=\n",
@@ -41,7 +50,19 @@
     "# Any LLM provider will work:\n",
     "ANTHROPIC_API_KEY=\n",
     "OPENAI_API_KEY=\n",
-    "```"
+    "\"\"\"\n",
+    "\n",
+    "import os\n",
+    "if not os.path.exists(\".env\"):\n",
+    "    open(\".env\", \"w\").write(ENV_TEMPLATE)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "0949908d",
+   "metadata": {},
+   "source": [
+    "5. Fill in all missing values in the .env file"
    ]
   },
   {