Add audio folder and reinstall soundfile

Dockerfile

@@ -31,6 +31,8 @@ WORKDIR $HOME/app
 # Copy the current directory contents into the container at $HOME/app setting the owner to the user
 COPY --chown=user . $HOME/app
 
+RUN mkdir audio
+
 RUN pip install --force-reinstall soundfile
 
 ENV GRADIO_SERVER_NAME=0.0.0.0