gguf generated_from_trainer llama-cpp gguf-my-repo text-generation en dataset:HuggingFaceH4/ultrachat_200k dataset:HuggingFaceH4/ultrafeedback_binarized base_model:HuggingFaceH4/zephyr-7b-beta base_model:quantized:HuggingFaceH4/zephyr-7b-beta license:mit model-index endpoints_compatible region:us conversational