Add support for Qwen
This issue is stale because it has been open for 30 days with no activity. Remove stale label or comment or this will be closed in 7 days. This issue was closed because it has been inactive for 7 days since being marked as stale. +1
Qwen 1.5 was released today and it is the best open LLM, adding support for it would be very helpful.

Blog: https://qwenlm.github.io/blog/qwen1.5/
HF: https://huggingface.co/collections/Qwen/qwen15-65c0a2f577b1ecb76d786524
