transformers safetensors mistral text-generation mergekit merge arxiv:2212.04089 base_model:Luni/StarDust-12b-v2 base_model:merge:Luni/StarDust-12b-v2 base_model:MarinaraSpaghetti/NemoMix-Unleashed-12B base_model:merge:MarinaraSpaghetti/NemoMix-Unleashed-12B autotrain_compatible text-generation-inference endpoints_compatible region:us