transformers gguf merge mergekit lazymergekit Nitral-AI/Nyan-Stunna-7B Nitral-AI/Kunocchini-7b-128k-test 128k en base_model:AlekseiPravdin/NSK-128k-7B-slerp base_model:quantized:AlekseiPravdin/NSK-128k-7B-slerp license:apache-2.0 endpoints_compatible region:us