transformers safetensors mistral text-generation pretrained conversational fr arxiv:2311.16840 base_model:mistralai/Mistral-7B-v0.1 base_model:finetune:mistralai/Mistral-7B-v0.1 license:cc-by-nc-sa-4.0 autotrain_compatible text-generation-inference endpoints_compatible region:us