Add RAG blogpost announcement (#777)

docs/blog/posts/2024-15-01|RAG_finetuning_with_Fondant.md

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+---
+date:
+ created: 2024-01-15
+authors:
+ - mrchtr
+---
+
+# Let's tune RAG pipelines with Fondant
+
+Retrieval Augmented Generation (RAG) has quickly become the go-to architecture for providing large
+language models (LLM) with specific knowledge. Optimizing a custom setup requires days to find the
+right set of parameters and system configuration.
+
+We have created an example use case to show how you can enhance your RAG setup by using Fondant.
+Checkout out the resources:
+
+- [GitHub repository](https://github.com/ml6team/fondant-usecase-RAG)
+- [Blog post](https://medium.com/fondant-blog/lets-tune-rag-pipelines-with-fondant-902f7215e540)
+
+<!-- more -->
+
+Off-the-shelf solutions might be easy to set up for a quick proof of concept, but their performance
+is usually insufficient for production usage since they are not adapted to the complexities of
+specific situations.
+
+By employing several different methods in an iterative manner, we can more than double the accuracy
+of an RAG system and maximize its performance. We have built two Fondant pipelines that can assist
+you in finding the optimal combinations of parameters for your unique setup.
+
+![RAG finetuning pipelines](../../art/posts/rag_finetuning.png)
+
+In the [example repository](https://github.com/ml6team/fondant-usecase-RAG), you can find notebooks
+that will help you customize your setup. More information can be found in 
+the [blog post](https://medium.com/fondant-blog/lets-tune-rag-pipelines-with-fondant-902f7215e540).
+
+
+
+
+
+
+
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+

docs/overrides/main.html

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 {% block announce %}
  <p style="text-align: center">
- Fondant 0.8 is out: Simplification, Sagemaker, RAG, and more!
 
- <a href="https://fondant.ai/en/latest/blog/2023/12/13/fondant-08-simplification-sagemaker-rag-and-more/"
- style="color: white; text-decoration: underline">Read more</a>
+ Let's tune RAG pipelines with Fondant.
+ <a href="https://medium.com/fondant-blog/lets-tune-rag-pipelines-with-fondant-902f7215e540"
+ style="color: white; text-decoration: underline">Check out our recent blog post!</a>
  </p>
 {% endblock %}