Adds leaflet-gpx@2.1.2 CDN script to map template, collects *.gpx
media files from the trip page, and renders them as teal polylines
beneath entry pins. Also fixes user/config/media.yaml to use the
required types: key so Grav's Media class correctly discovers .gpx
files. Map remains functional when no GPX files are present.
- Rename tracker.html.twig to dailies.html.twig; update dailies.md template key
- Fix map.html.twig and stats.html.twig: find dailies via page.parent().route
- Update base.html.twig nav to use config.site.active_trip for all hrefs
- Fix dailies.html.twig mini-map link to use page.parent().url/map
- Create trip.html.twig, trips.html.twig, stories.html.twig
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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