[Doc] eval-type not support service but server, and test the result by online inference

Signed-off-by: root <root@liaolile-laptop.localdomain>

Author: root

docs/source/developer_guide/evaluation/using_evalscope.md

@@ -71,7 +71,7 @@ evalscope eval \
  --model Qwen/Qwen2.5-7B-Instruct \
  --api-url http://localhost:8000/v1 \
  --api-key EMPTY \
- --eval-type service \
+ --eval-type server \
  --datasets gsm8k \
  --limit 10
 ```