Add vLLM as one of the supported inference engines.

README.md

@@ -61,6 +61,7 @@ Our AI models are designed and/or optimized to run on NVIDIA GPU-accelerated sys
 ## Software Integration:
 **Runtime Engine(s):** <br>
 * SGLang <br>
+* vLLM <br>
 
 **Supported Hardware Microarchitecture Compatibility:** <br>
 * NVIDIA Blackwell <br>