transformers gguf mergekit merge arxiv:2306.01708 base_model:intervitens/mini-magnum-12b-v1.1 base_model:merge:intervitens/mini-magnum-12b-v1.1 base_model:nothingiisreal/MN-12B-Celeste-V1.9 base_model:merge:nothingiisreal/MN-12B-Celeste-V1.9 license:apache-2.0 endpoints_compatible region:us conversational