gguf merge mergekit lazymergekit invisietch/Atlantis-v0.1-12B anthracite-org/magnum-12b-v2 llama-cpp gguf-my-repo base_model:GalrionSoftworks/Atlantum-12B-v1 base_model:quantized:GalrionSoftworks/Atlantum-12B-v1 endpoints_compatible region:us conversational