[Docs] Sync docs_new with legacy docs and update migration redirects (#23337)

Co-authored-by: Mingyi <wisclmy0611@gmail.com>

docs_new/docs/supported-models/modelscope.mdx

@@ -1,23 +1,21 @@
 ---
 title: "Use Models From ModelScope"
 ---
-
 To use a model from [ModelScope](https://www.modelscope.cn), set the environment variable `SGLANG_USE_MODELSCOPE`.
 
-<CodeGroup>
 ```bash Set Environment Variable
 export SGLANG_USE_MODELSCOPE=true
 ```
-</CodeGroup>
 
 We take [Qwen2-7B-Instruct](https://www.modelscope.cn/models/qwen/qwen2-7b-instruct) as an example.
 
-## Launch the Server
-
-<CodeGroup>
+Launch the Server:
 ```bash Python
 python -m sglang.launch_server --model-path qwen/Qwen2-7B-Instruct --port 30000
 ```
+
+Or start it by docker:
+
 ```bash Docker
 docker run --gpus all \
     -p 30000:30000 \
@@ -27,6 +25,5 @@ docker run --gpus all \
     lmsysorg/sglang:latest \
     python3 -m sglang.launch_server --model-path Qwen/Qwen2.5-7B-Instruct --host 0.0.0.0 --port 30000
 ```
-</CodeGroup>
 
-<Note>ModelScope uses a different cache directory than Hugging Face. You may need to set it manually to avoid running out of disk space.</Note>
+Note that modelscope uses a different cache directory than huggingface. You may need to set it manually to avoid running out of disk space.