Add /demo route, Vite build entry for trips-demo.ts, and demo page
CSS (hero, toolbar, 2×3 card grid, calendar, polls, funds, cart).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
All 22 module directories under modules/ now match their module IDs
(e.g. modules/cart → modules/rcart, modules/canvas → modules/rspace).
Updated all import paths, vite build config, HTML template asset refs,
docker-compose standalone commands, and .gitignore accordingly.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Jeff Emmett