transformers gguf mergekit merge arxiv:2212.04089 base_model:Severian/Nexus-IKM-Mistral-Instruct-v0.2-7B base_model:merge:Severian/Nexus-IKM-Mistral-Instruct-v0.2-7B base_model:mistral-community/Mistral-7B-v0.2 base_model:merge:mistral-community/Mistral-7B-v0.2 base_model:son-of-man/HoloViolet-7B-test3 base_model:merge:son-of-man/HoloViolet-7B-test3 endpoints_compatible region:us