Update README.md

vllm model card update

README.md

@@ -127,7 +127,11 @@ print(output_text)
 
 ### vLLM inference
 
-We are working with the community to fully support ERNIE4.5 models, stay tuned.
+[vllm](https://github.com/vllm-project/vllm/tree/main) github library. Python-only [build](https://docs.vllm.ai/en/latest/getting_started/installation/gpu.html#set-up-using-python-only-build-without-compilation).
+
+```bash
+vllm serve baidu/ERNIE-4.5-VL-28B-A3B-PT --trust-remote-code 
+```
 
 ## License