transformers gguf text-generation-inference unsloth qwen2 trl sft en base_model:Ellight/Qwen2.5-0.5B-Instruct-Numina-CoT base_model:quantized:Ellight/Qwen2.5-0.5B-Instruct-Numina-CoT license:apache-2.0 endpoints_compatible region:us conversational