feat: README.mdにHugging Face Spacesへのデプロイ手順を追加

fix: update error page structure and improve 404 message display

feat: 環境変数によるpyopenjtalkワーカーの無効化機能を追加

Add better error handling for dictionary

Add debug logging for socket.gethostname() and environment info

Fix pyopenjtalk worker socket binding - use 127.0.0.1 instead of socket.gethostname() for Docker compatibility

Revert to original Space configuration - match litagin/Style-Bert-VITS2-Editor-Demo

Fix requirements.txt - add missing dependencies including numba

Add README.md for Hugging Face Spaces configuration

Initial commit with LFS setup