docs: add langfuse

docs: add langfuse
(oss platform featuring traces, evals, prompt management and metrics to debug and improve your LLM application, 2,3k stars)

README.md

@@ -348,6 +348,7 @@ The above tables coule be better summarized by this wonderful visualization from
 
 ## Deploying Tools
 
+- [Langfuse](https://github.com/langfuse/langfuse) -  Open Source LLM Engineering Platform 🪢 Tracing, Evaluations, Prompt Management, Evaluations and Playground. 
 - [FastChat](https://github.com/lm-sys/FastChat) - A distributed multi-model LLM serving system with web UI and OpenAI-compatible RESTful APIs.
 - [MindSQL](https://github.com/Mindinventory/MindSQL) - A python package for Txt-to-SQL with self hosting functionalities and RESTful APIs compatible with proprietary as well as open source LLM.
 - [SkyPilot](https://github.com/skypilot-org/skypilot) - Run LLMs and batch jobs on any cloud. Get maximum cost savings, highest GPU availability, and managed execution -- all with a simple interface.