add link to original blog post

notebooks/en/tgi_messages_api_demo.ipynb

@@ -10,7 +10,7 @@
     "\n",
     "This notebook demonstrates how you can easily transition from OpenAI models to Open LLMs without needing to refactor any existing code.\n",
     "\n",
-    "[Text Generation Inference (TGI)](https://github.com/huggingface/text-generation-inference) now offers a Messages API, making it directly compatible with the OpenAI Chat Completion API. This means that any existing scripts that use OpenAI models (via the OpenAI client library or third-party tools like LangChain or LlamaIndex) can be directly swapped out to use any open LLM running on a TGI endpoint!\n",
+    "[Text Generation Inference (TGI)](https://github.com/huggingface/text-generation-inference) now offers a [Messages API](https://huggingface.co/blog/tgi-messages-api), making it directly compatible with the OpenAI Chat Completion API. This means that any existing scripts that use OpenAI models (via the OpenAI client library or third-party tools like LangChain or LlamaIndex) can be directly swapped out to use any open LLM running on a TGI endpoint!\n",
     "\n",
     "This allows you to quickly test out and benefit from the numerous advantages offered by open models. Things like:\n",
     "\n",