transformers gguf mergekit merge arxiv:2306.01708 base_model:ArliAI/Mistral-Nemo-12B-ArliAI-RPMax-v1.1 base_model:merge:ArliAI/Mistral-Nemo-12B-ArliAI-RPMax-v1.1 base_model:nbeerbower/mistral-nemo-gutenberg-12B-v2 base_model:merge:nbeerbower/mistral-nemo-gutenberg-12B-v2 endpoints_compatible region:us conversational