Initial commit

lib/domain/entities/training_section.dart

@@ -0,0 +1,13 @@
+import 'package:freezed_annotation/freezed_annotation.dart';
+import 'package:trainhub_flutter/domain/entities/training_exercise.dart';
+
+part 'training_section.freezed.dart';
+
+@freezed
+class TrainingSectionEntity with _$TrainingSectionEntity {
+  const factory TrainingSectionEntity({
+    required String id,
+    required String name,
+    @Default([]) List<TrainingExerciseEntity> exercises,
+  }) = _TrainingSectionEntity;
+}