Update overview.md

apps/opik-documentation/documentation/docs/tracing/integrations/overview.md

@@ -19,6 +19,7 @@ Opik aims to make it as easy as possible to log, view and evaluate your LLM trac
 | CrewAI      | Log traces for all CrewAI LLM calls                                          | [Documentation](/tracing/integrations/crewai.md)      | [![Open Quickstart In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/comet-ml/opik/blob/master/apps/opik-documentation/documentation/docs/cookbook/crewai.ipynb)      |
 | Dify        | Log traces and LLM calls for your Dify Apps                                  | [Documentation](/tracing/integrations/dify.mdx)       |                                                                                                                                                                                                                                   |
 | DSPy        | Log traces for all DSPy runs                                                 | [Documentation](/tracing/integrations/dspy.md)        | [![Open Quickstart In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/comet-ml/opik/blob/master/apps/opik-documentation/documentation/docs/cookbook/dspy.ipynb)        |
+| Guardrails  | Log traces for all Guardrails validations                                    | [Documentation](/tracing/integrations/guardrails-ai.md)   | [![Open Quickstart In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/comet-ml/opik/blob/master/apps/opik-documentation/documentation/docs/cookbook/guardrails-ai.ipynb)   |
 | LangGraph   | Log traces for all LangGraph executions                                      | [Documentation](/tracing/integrations/langgraph.md)   | [![Open Quickstart In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/comet-ml/opik/blob/master/apps/opik-documentation/documentation/docs/cookbook/langgraph.ipynb)   |
 | LlamaIndex  | Log traces for all LlamaIndex LLM calls                                      | [Documentation](/tracing/integrations/llama_index.md) | [![Open Quickstart In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/comet-ml/opik/blob/master/apps/opik-documentation/documentation/docs/cookbook/llama-index.ipynb) |
 | Ollama      | Log traces for all Ollama LLM calls                                          | [Documentation](/tracing/integrations/ollama.md)      | [![Open Quickstart In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/comet-ml/opik/blob/master/apps/opik-documentation/documentation/docs/cookbook/ollama.ipynb)      |