[Docs] Fix syntax highlighting of shell commands (#19870)

Signed-off-by: Lukas Geiger <lukas.geiger94@gmail.com>

docs/deployment/frameworks/streamlit.md

@@ -15,13 +15,13 @@ It can be quickly integrated with vLLM as a backend API server, enabling powerfu
 
 - Start the vLLM server with the supported chat completion model, e.g.
 
-```console
+```bash
 vllm serve qwen/Qwen1.5-0.5B-Chat
 ```
 
 - Install streamlit and openai:
 
-```console
+```bash
 pip install streamlit openai
 ```
 
@@ -29,7 +29,7 @@ pip install streamlit openai
 
 - Start the streamlit web UI and start to chat:
 
-```console
+```bash
 streamlit run streamlit_openai_chatbot_webserver.py
 
 # or specify the VLLM_API_BASE or VLLM_API_KEY