adding to readme

README.md

@@ -23,6 +23,7 @@ For more examples, you may also find our [Blog](https://haystack.deepset.ai/blog
 | Improving Retrieval with Auto-Merging | <a href="https://colab.research.google.com/github/deepset-ai/haystack-cookbook/blob/main/notebooks/auto_merging_retriever.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>|
 | Speaker Diarization with AssemblyAI | <a href="https://colab.research.google.com/github/deepset-ai/haystack-cookbook/blob/main/notebooks/using_speaker_diarization_with_assemblyai.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>|
 | Advance Prompt Customization for Anthropic | <a href="https://colab.research.google.com/github/deepset-ai/haystack-cookbook/blob/main/notebooks/prompt_customization_for_Anthropic.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>|
+| Advanced RAG: Query Decomposition and Reasoning | <a href="https://colab.research.google.com/github/deepset-ai/haystack-cookbook/blob/main/notebooks/query_decomposition.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>|
 | Techcrunch News Digest with Local LLMs using TitanML Takeoff | <a href="https://colab.research.google.com/drive/10EralM_8pCJ5nXnGIZYr6atqefmi8r2z?usp=sharing" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>|
 | Use Gemini Models with Vertex AI| <a href="https://colab.research.google.com/github/deepset-ai/haystack-cookbook/blob/main/notebooks/vertexai-gemini-examples.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>|
 | Gradient AI Embedders and Generators for RAG | <a href="https://colab.research.google.com/github/deepset-ai/haystack-cookbook/blob/main/notebooks/gradient-embeders-and-generators-for-notion-rag.ipynb" target="_parent"><img src="https://colab.research.google.com/assets/colab-badge.svg" alt="Open In Colab"/></a>|