feat(explore): add AniList, Simkl, and Plex catalogs

lib/models/simkl/simkl_recommendation.dart

@@ -0,0 +1,20 @@
+import 'package:json_annotation/json_annotation.dart';
+
+import '../../utils/json_utils.dart';
+import 'simkl_ids.dart';
+
+part 'simkl_recommendation.g.dart';
+
+@JsonSerializable(createToJson: false)
+class SimklRecommendation {
+  final String? title;
+  @JsonKey(fromJson: flexibleInt)
+  final int? year;
+  final String? poster;
+  final String? type;
+  final SimklIds ids;
+
+  const SimklRecommendation({this.title, this.year, this.poster, this.type, required this.ids});
+
+  factory SimklRecommendation.fromJson(Map<String, dynamic> json) => _$SimklRecommendationFromJson(json);
+}