transformers gguf merge mergekit lazymergekit mlabonne/NeuralHermes-2.5-Mistral-7B timpal0l/Mistral-7B-v0.1-flashback-v2 en base_model:FredrikBL/HermesFlashback-7B.1 base_model:quantized:FredrikBL/HermesFlashback-7B.1 license:apache-2.0 endpoints_compatible region:us conversational