gguf ggml quantized q2_k q3_k_m q4_k_m q5_k_m q6_k q8_0 text-generation dataset:jondurbin/airoboros-3.0 base_model:jondurbin/airoboros-3b-3p0 base_model:quantized:jondurbin/airoboros-3b-3p0 license:cc-by-sa-4.0 region:us