garden: port content, rebuild public/, add new scripts and features

- Ported Ludo profile from vault to garden
- Added auto-rebuild watcher scripts
- Updated static data snapshots
- Added garden-features.js and api-garden.json
- Added GARDEN-CONTENT-GAPS.md for tracking
- Rebuilt Hugo public/ output

.gitignore

@@ -1,8 +1,4 @@
-# Generated by build-site.sh — not tracked in git
-now/
-status.html
-
-# Hugo build artifacts
 public/
 resources/
 .hugo_build.lock
+.garden_checkpoint