transformers gguf merge mergekit lazymergekit mistralai/Mistral-7B-Instruct-v0.2 CultriX/NeuralTrix-7B-dpo en base_model:RaduGabriel/Mistral-7B-Instruct-v0.2NEURAL base_model:quantized:RaduGabriel/Mistral-7B-Instruct-v0.2NEURAL endpoints_compatible region:us conversational