transformers safetensors mistral text-generation mergekit merge conversational arxiv:2402.10373 base_model:HuggingFaceH4/zephyr-7b-beta base_model:merge:HuggingFaceH4/zephyr-7b-beta base_model:Project44/BioMistral-7B-0.1-PubMed-V2 base_model:merge:Project44/BioMistral-7B-0.1-PubMed-V2 autotrain_compatible text-generation-inference endpoints_compatible region:us