transformers safetensors mistral text-generation mergekit merge custom_code base_model:MrRobotoAI/Hathor-2 base_model:merge:MrRobotoAI/Hathor-2 base_model:MrRobotoAI/Hathor-6 base_model:merge:MrRobotoAI/Hathor-6 autotrain_compatible text-generation-inference endpoints_compatible region:us