transformers safetensors mistral text-generation mergekit merge conversational arxiv:2203.05482 base_model:NeuralNovel/Mistral-7B-Instruct-v0.2-Neural-Story base_model:merge:NeuralNovel/Mistral-7B-Instruct-v0.2-Neural-Story base_model:mistralai/Mistral-7B-Instruct-v0.2 base_model:merge:mistralai/Mistral-7B-Instruct-v0.2 license:apache-2.0 autotrain_compatible text-generation-inference region:us