Initial commit

🚀 Deploy SignView: 完整手語辨識系統部署到HuggingFace Spaces - 整合所有功能到單一app.py, 支援即時攝像頭辨識+影片上傳+Messenger Bot, PyTorch LSTM+Attention模型, MediaPipe特徵提取+OpenAI GPT-4o-mini, 支援4種手語: eat/fish/like/want

feat: Initial commit for Hugging Face deployment