Add sglang to the list of libraries in README

Author: torinsong

README.md

@@ -147,6 +147,7 @@ _Libraries for building AI applications, LLM integrations, and autonomous agents
   - [transformers](https://github.com/huggingface/transformers) - A framework that lets you easily use pre-trained transformer models for NLP, vision, and audio tasks.
   - [unsloth](https://github.com/unslothai/unsloth) - A library for faster LLM fine-tuning and training with reduced memory usage.
   - [vllm](https://github.com/vllm-project/vllm) - A high-throughput and memory-efficient inference and serving engine for LLMs.
+  - [sglang](https://github.com/sgl-project/sglang) - A high-performance serving framework for large language models and multimodal models.
 
 ## Deep Learning