transformers safetensors mistral text-generation mergekit merge base_model:BioMistral/BioMistral-7B base_model:merge:BioMistral/BioMistral-7B base_model:timpal0l/Mistral-7B-v0.1-flashback-v2-instruct base_model:merge:timpal0l/Mistral-7B-v0.1-flashback-v2-instruct autotrain_compatible text-generation-inference endpoints_compatible region:us