Refactor application to integrate AudioLDM2 model

Add Hugging Face authentication and update server port

Implement Stable Audio model integration

Fix remaining merge conflict marker in README.md

Resolve merge conflicts: Keep lightweight synthesis version

Update app.py and README.md: Enhance local launch configuration for Docker support and update documentation to include Docker deployment instructions.

Initial setup: Add Stable Audio Gradio app with interface, requirements, and updated README

Initial setup: Add Stable Audio Gradio app with interface, requirements, and updated README

initial commit