feat: add Reconstruct button and optimize codec processing logic

feat: add EnCodec and Mimi codec implementations with self-registration

feat: implement SNAC codec and integrate into the codec registry

chore: add snac, encodec, transformers, torchaudio dependencies

fix: update project name from Codecomp to compare-codec in app.py

feat: add DAC codec implementation and codec registry

chore: add .gitignore file for Python project

initial commit