[Feature] Support online inference (#64)

Signed-off-by: Gaohan123 <gaohan19@huawei.com>

docs/user_guide/examples/index.md

@@ -6,4 +6,3 @@ vLLM-omni's examples are split into two categories:
 - If you are using vLLM-omni from an HTTP application or client, see the *Online Serving* section.
 
 For detailed example documentation, check the [examples directory](https://github.com/vllm-project/vllm-omni/tree/main/examples) in the repository.
-