transformers gguf merge mergekit lazymergekit OmnicromsBrain/StoryFusion-7B OmnicromsBrain/NeuralStar-7b-Lazy en base_model:OmnicromsBrain/NeuralStar_Story-9b base_model:quantized:OmnicromsBrain/NeuralStar_Story-9b endpoints_compatible region:us imatrix conversational