Update new repo URL

Author: Emma Hintsala

README.md

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 # Introduction to using Large Language Models through inference platform Aitta
 
+> **⚠️ This repository is archived and no longer maintained. ⚠️**
+>
+> The updated version can be found here: https://github.com/lumi-ai-factory/llm-inference-using-aitta
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 Are you looking for an easy way to start using Large Language Models (LLMs)? This course is for anyone who wants to leverage LLMs for text data without the hassle of complex setups or sifting through extensive documentation. Whether you're a researcher, developer or just curious about AI, you'll learn how to interact with LLMs efficiently using simple API (Application Programming Interface) calls provided by inference platform [Aitta](https://staging-aitta.2.rahtiapp.fi/).
 
 Please head over to the course's [welcome page](./material/00_welcome.ipynb) in the `material` folder to review the prerequisites and course setup details.