transformers gguf merge mergekit lazymergekit crestf411/nemo-sunfall-v0.6.1 unsloth/Mistral-Nemo-Instruct-2407 RozGrov/NemoDori-v0.1-12B-MS en base_model:RozGrov/NemoDori-v0.2-12B-MN-BT base_model:quantized:RozGrov/NemoDori-v0.2-12B-MN-BT endpoints_compatible region:us imatrix conversational