chore(wip): upgrade dependencies, begin refactor

frontend/lib/domain/entities/landmark.g.dart

@@ -0,0 +1,28 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'landmark.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+_Landmark _$LandmarkFromJson(Map<String, dynamic> json) => _Landmark(
+      uuid: json['uuid'] as String,
+      name: json['name'] as String,
+      location: (json['location'] as List<dynamic>)
+          .map((e) => (e as num).toDouble())
+          .toList(),
+      type: LandmarkType.fromJson(json['type'] as Map<String, dynamic>),
+      isSecondary: json['isSecondary'] as bool,
+      description: LandmarkDescription.fromJson(
+          json['description'] as Map<String, dynamic>),
+    );
+
+Map<String, dynamic> _$LandmarkToJson(_Landmark instance) => <String, dynamic>{
+      'uuid': instance.uuid,
+      'name': instance.name,
+      'location': instance.location,
+      'type': instance.type,
+      'isSecondary': instance.isSecondary,
+      'description': instance.description,
+    };