transformers safetensors qwen2 text-generation mergekit merge conversational arxiv:2306.01708 base_model:Qwen/Qwen2.5-3B base_model:merge:Qwen/Qwen2.5-3B base_model:bunnycore/Qwen2.5-3B-MiniMix base_model:merge:bunnycore/Qwen2.5-3B-MiniMix base_model:bunnycore/Qwen2.5-3B-RP-Mix base_model:merge:bunnycore/Qwen2.5-3B-RP-Mix autotrain_compatible text-generation-inference endpoints_compatible region:us