trackers: group cars, trains, planes and wildlife under one spotting tracker with /trackers/spotting landing page and category switcher

src/lib/tracker-icons.ts

@@ -144,6 +144,20 @@ export const trackerIcons: Record<string, TrackerIcon> = {
 			'M2 21c0-3 1.85-5.36 5.08-6C9.5 14.52 12 13 13 12'
 		]
 	},
+	spotting: {
+		from: '#fbbf24',
+		to: '#e11d48',
+		ink: WHITE,
+		// binoculars
+		paths: [
+			'M10 10h4',
+			'M19 7V4a1 1 0 0 0-1-1h-2a1 1 0 0 0-1 1v3',
+			'M20 21a2 2 0 0 0 2-2v-3.851c0-1.39-2-2.962-2-4.829V8a1 1 0 0 0-1-1h-4a1 1 0 0 0-1 1v11a2 2 0 0 0 2 2z',
+			'M22 16H2',
+			'M4 21a2 2 0 0 1-2-2v-3.851c0-1.39 2-2.962 2-4.829V8a1 1 0 0 1 1-1h4a1 1 0 0 1 1 1v11a2 2 0 0 1-2 2z',
+			'M9 7V4a1 1 0 0 0-1-1H7a1 1 0 0 0-1 1v3'
+		]
+	},
 	lists: {
 		from: '#94a3b8',
 		to: '#475569',