List out rules in a list.
Make Alignment wraps its children in new StackedChildren components.
Add css margin rule.
Fix unfold logic so coalesced spaces do not unfold.

Add logging to be displayed in the UI for debugging.
Add express app to serve web app.
Save/load layouts.

The web page now has to run over http so the express.js server app can save
files.
Add error handling for loading fixtures.
Add fixture comparison.
List existing fixtures.
Add comparison of all existing fixtures.
Reorder fixture input field and selection.
Add basic fixtures.
Add float fixtures & fix floats.

See? The test system is working already.