transformers gguf mistral text-generation mergekit merge en arxiv:2203.05482 base_model:LeroyDyer/Mixtral_Base base_model:merge:LeroyDyer/Mixtral_Base base_model:Locutusque/Hercules-3.1-Mistral-7B base_model:merge:Locutusque/Hercules-3.1-Mistral-7B doi:10.57967/hf/1901 license:mit autotrain_compatible endpoints_compatible region:us