Update README.md

Bump sdk_version to 5.49.0 for Python 3.13 compatibility

Remove audioop-lts (using in-code stub instead)

Fix Python 3.13: stub audioop before gradio import

Fix: use audioop-lts (pure Python) for Python 3.13 audioop compatibility

Fix: add pyaudioop for Python 3.13 pydub compatibility

Initial upload: moral judgment demo (TACL fusion llama3.2-3B)

initial commit