gguf generated_from_trainer ggml quantized q2_k q3_k_m q4_k_m q5_k_m q6_k q8_0 text-generation dataset:HuggingFaceH4/ultrachat_200k base_model:BEE-spoke-data/zephyr-220m-sft-full base_model:quantized:BEE-spoke-data/zephyr-220m-sft-full license:apache-2.0 region:us conversational