Support Kserve LLM endpoint

[gxx-ljy]

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1. Is this request related to a challenge you're experiencing? Tell me about your story.

Hope it can support llms deployed by kserve

2. Additional context or comments

https://kserve.github.io/website/latest/modelserving/v1beta1/llm/huggingface/text_generation/

3. Can you help us with this feature?

• [ ] I am interested in contributing to this feature.

[dosubot[bot]]

Hi, @gxx-ljy. I'm Dosu, and I'm helping the Dify team manage their backlog. I'm marking this issue as stale.

Issue Summary:

• Request for support of LLMs deployed via Kserve in Dify.
• You provided a link to Kserve's documentation for context.
• No further comments or activity since the issue was opened.

Next Steps:

• Please confirm if this issue is still relevant to the latest version of Dify by commenting here.
• If there is no further activity, the issue will be automatically closed in 15 days.

Thank you for your understanding and contribution!