transformers safetensors mistral text-generation mergekit merge arxiv:2306.01708 base_model:mistralai/Mistral-7B-v0.1 base_model:merge:mistralai/Mistral-7B-v0.1 base_model:mlabonne/NeuralHermes-2.5-Mistral-7B base_model:merge:mlabonne/NeuralHermes-2.5-Mistral-7B autotrain_compatible text-generation-inference endpoints_compatible region:us