Add huggingface_hub dependency for Inference API

requirements.txt

@@ -6,6 +6,7 @@
 # Core ML/AI Framework
 torch>=2.0.0                    # PyTorch for model inference
 transformers>=4.30.0            # Hugging Face transformers
+huggingface_hub>=0.20.0        # Hugging Face Hub API (for Inference API)
 accelerate>=0.20.0              # Model loading optimization
 safetensors>=0.3.0              # Safe model loading