transformers gguf merge mergekit lazymergekit mistralai/Mistral-7B-v0.1 CultriX/NeuralTrix-7B-dpo en base_model:JDWebProgrammer/Mistral-CultriX-slerp base_model:quantized:JDWebProgrammer/Mistral-CultriX-slerp endpoints_compatible region:us