Add demo input CT scan

Add demo output mask

Update app.py: interactive demo with example + Run button

Republish: fix label colormap background transparency

Fix requirements.txt: use public wheel URL instead of local file

Fix app.py: remove hardcoded local paths that do not exist on Space

Add requirements.txt pointing to local wheel

Add built wheel

Add required YAML frontmatter to README

Upload folder using huggingface_hub

initial commit