Rename two_stage_processor.py to processing/two_stage/two_stage_processor.py

Rename hair_segmentation.py to processing/segmentation/hair_segmentation.py

Rename edge.py to processing/edges/edge_detector.py

Rename audio_processor.py to processing/audio/audio_processor.py

Create processing/__init__.py

Create processing/effects.py

Create processing/fallback.py

Create processing/matting.py