feat(mobile): drift map page

mobile/lib/domain/models/map.model.dart

@@ -0,0 +1,21 @@
+import 'package:maplibre_gl/maplibre_gl.dart';
+
+class Marker {
+  final LatLng location;
+  final String assetId;
+
+  const Marker({
+    required this.location,
+    required this.assetId,
+  });
+
+  @override
+  bool operator ==(covariant Marker other) {
+    if (identical(this, other)) return true;
+
+    return other.location == location && other.assetId == assetId;
+  }
+
+  @override
+  int get hashCode => location.hashCode ^ assetId.hashCode;
+}