Separate Secret and ISVC YAML for Hugging Face runtime example (#409)

* Separate Secret and ISVC YAML for Hugging Face runtime example

Signed-off-by: Yuan Tang <terrytangyuan@gmail.com>

* Update README.md

Signed-off-by: Dan Sun <dsun20@bloomberg.net>

---------

Signed-off-by: Yuan Tang <terrytangyuan@gmail.com>
Signed-off-by: Dan Sun <dsun20@bloomberg.net>
Co-authored-by: Dan Sun <dsun20@bloomberg.net>

docs/modelserving/v1beta1/llm/huggingface/text_generation/README.md

@@ -13,6 +13,7 @@ If the model is not supported by vLLM, KServe falls back to HuggingFace backend
 Create a secret with the Hugging Face token.
 
 === "Yaml"
+
     ```yaml
     apiVersion: v1
     kind: Secret
@@ -23,6 +24,8 @@ Create a secret with the Hugging Face token.
         HF_TOKEN: <token>
     ```
 
+Then create the inference service.
+
 === "Yaml"
 
     ```yaml
@@ -190,6 +193,7 @@ Create a secret with the Hugging Face token.
     stringData:
         HF_TOKEN: <token>
     ```
+Then create the inference service.
 
 === "Yaml"