transformers gguf text-generation dataset:jondurbin/gutenberg-dpo-v0.1 dataset:nbeerbower/gutenberg2-dpo base_model:nbeerbower/Gemma2-Gutenberg-Doppel-9B base_model:quantized:nbeerbower/Gemma2-Gutenberg-Doppel-9B license:gemma endpoints_compatible region:us imatrix conversational