Update README.md

(cherry picked from commit f3f10d4)

Author: williamFalcon

README.md

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 **The deep learning framework to pretrain, finetune and deploy AI models.**
 
-**NEW- Lightning 2.0 features a clean and stable API!!**
+**NEW- Deploying models? Check out [LitServe](https://github.com/Lightning-AI/litserve), the PyTorch Lightning for model serving**
 
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