v2.6.2 — TREK Rebrand, OSM Enrichment, File Management, Hotel Bookings & Bug Fixes

Rebrand:
- NOMAD → TREK branding across all UI, translations, server, PWA manifest
- New TREK logos (dark/light, with/without icon)
- Liquid glass toast notifications

Bugs Fixed:
- HTTPS redirect now opt-in only (FORCE_HTTPS=true), fixes #33 #43 #52 #54 #55
- PDF export "Tag" fallback uses i18n, fixes #15
- Vacay sharing color collision detection, fixes #25
- Backup settings import fix (PR #47)
- Atlas country detection uses smallest bounding box, fixes #31
- JPY and zero-decimal currencies formatted correctly, fixes #32
- HTML lang="en" instead of hardcoded "de", fixes #34
- Duplicate translation keys removed
- setSelectedAssignmentId crash fixed

New Features:
- OSM enrichment: Overpass API for opening hours, Wikimedia Commons for photos
- Reverse geocoding on map right-click to add places
- OIDC config via environment variables (OIDC_ISSUER, OIDC_CLIENT_ID, etc.), fixes #48
- Multi-arch Docker build (ARM64 + AMD64), fixes #11
- File management: star, trash/restore, upload owner, assign to places/bookings, notes
- Markdown rendering in Collab Notes with expand modal, fixes #17
- Type-specific booking fields (flight: airline/number/airports, hotel: check-in/out/days, train: number/platform/seat), fixes #35
- Hotel bookings auto-create accommodations, bidirectional sync
- Multiple hotels per day with check-in/check-out color coding
- Ko-fi and Buy Me a Coffee support cards
- GitHub releases proxy with server-side caching

client/src/components/Admin/AddonManager.tsx

@@ -84,7 +84,7 @@ export default function AddonManager() {
         <div className="px-6 py-4 border-b" style={{ borderColor: 'var(--border-secondary)' }}>
           <h2 className="font-semibold" style={{ color: 'var(--text-primary)' }}>{t('admin.addons.title')}</h2>
           <p className="text-xs mt-1" style={{ color: 'var(--text-muted)', display: 'flex', alignItems: 'center', gap: 4, flexWrap: 'wrap' }}>
-            {t('admin.addons.subtitleBefore')}<img src={dark ? '/text-light.svg' : '/text-dark.svg'} alt="NOMAD" style={{ height: 11, display: 'inline', verticalAlign: 'middle', opacity: 0.7 }} />{t('admin.addons.subtitleAfter')}
+            {t('admin.addons.subtitleBefore')}<img src={dark ? '/text-light.svg' : '/text-dark.svg'} alt="TREK" style={{ height: 11, display: 'inline', verticalAlign: 'middle', opacity: 0.7 }} />{t('admin.addons.subtitleAfter')}
           </p>
         </div>