transformers gguf mistral text-generation mergekit merge conversational en arxiv:2203.05482 base_model:NousResearch/Hermes-2-Pro-Mistral-7B base_model:merge:NousResearch/Hermes-2-Pro-Mistral-7B base_model:mistralai/Mistral-7B-Instruct-v0.2 base_model:merge:mistralai/Mistral-7B-Instruct-v0.2 doi:10.57967/hf/1902 license:mit autotrain_compatible endpoints_compatible region:us