transformers gguf merge mergekit chaoyi-wu/MedLLaMA_13B lmsys/vicuna-13b-v1.3 en base_model:arcee-ai/MedLLaMA-Vicuna-13B-Slerp base_model:quantized:arcee-ai/MedLLaMA-Vicuna-13B-Slerp license:apache-2.0 endpoints_compatible region:us