[Nit] Add newline in notebook (#14665)

For bullet list formatting

docs/docs/integrations/chat/google_generative_ai.ipynb

@@ -286,11 +286,17 @@
     "## Gemini Prompting FAQs\n",
     "\n",
     "As of the time this doc was written (2024/12/12), Gemini has some restrictions on the types and structure of prompts it accepts. Specifically:\n",
+    "\n",
     "1. When providing multimodal (image) inputs, you are restricted to at most 1 message of \"human\" (user) type. You cannot pass multiple messages (though the single human message may have multiple content entries)\n",
     "2. System messages are not accepted.\n",
     "3. For regular chat conversations, messages must follow the human/ai/human/ai alternating pattern. You may not provide 2 AI or human messages in sequence.\n",
     "4. Message may be blocked if they violate the safety checks of the LLM. In this case, the model will return an empty response."
    ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": []
   }
  ],
  "metadata": {