feat: embedded interactive map in property + match detail views

Integrates react-leaflet with OpenStreetMap tiles. PropertyDetailView
and MatchDetail now show property photo + zoomable/pannable map above
the tabs/content — always visible on card click, no redirect. Map
renders at correct lat/lng with a location marker and popup.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/components/shared/index.ts

@@ -1,4 +1,5 @@
 export { ViewToggle } from './ViewToggle'
 export { LocationPreview } from './LocationPreview'
+export { PropertyMap } from './PropertyMap'
 export { getScoreTier, SCORE_THEME } from './scoreTheme'
 export type { ScoreTier } from './scoreTheme'