transformers gguf mergekit merge base_model:flammenai/Mahou-1.3-mistral-nemo-12B base_model:merge:flammenai/Mahou-1.3-mistral-nemo-12B base_model:nbeerbower/mistral-nemo-gutenberg-12B-v3 base_model:merge:nbeerbower/mistral-nemo-gutenberg-12B-v3 endpoints_compatible region:us conversational