transformers gguf merge mergekit axiong/PMC_LLaMA_13B lmsys/vicuna-13b-v1.3 en base_model:arcee-ai/PMC_LLaMA_Vicuna_13B_Slerp base_model:quantized:arcee-ai/PMC_LLaMA_Vicuna_13B_Slerp license:apache-2.0 endpoints_compatible region:us