Dose it support Deepseek LLM ？

[molysama]

I want to use Deepseek instead of openai. It's a cost-effective solution with high performance.

[blmdxiao]

Next week, I will add DeepSeek, and the embeddings will use ZhipuAI's model 'embedding-2'.

[blmdxiao]

Integration of DeepSeek's API added #53