transformers gguf mergekit merge arxiv:2403.19522 base_model:nbeerbower/Lyra-Gutenberg-mistral-nemo-12B base_model:merge:nbeerbower/Lyra-Gutenberg-mistral-nemo-12B base_model:nbeerbower/mistral-nemo-gutenberg-12B base_model:merge:nbeerbower/mistral-nemo-gutenberg-12B base_model:nbeerbower/mistral-nemo-gutenberg-12B-v3 base_model:merge:nbeerbower/mistral-nemo-gutenberg-12B-v3 base_model:nbeerbower/mistral-nemo-gutenberg-12B-v4 base_model:merge:nbeerbower/mistral-nemo-gutenberg-12B-v4 endpoints_compatible region:us conversational