FEAT: Added Tracing for user selections

Enhance app.py and utils.py with improved variant selection and logging features; update final_arrangement.json to include volume automation and curve types for sections; modify .gitignore to exclude .env files and additional log patterns.

Update progress messages in app.py and utils.py for clarity during section variant generation

Add print statement in make_groq_call function for debugging output

Add logging to utils.py for error handling in generate_section_variants function

Implement initial project structure and setup