interface for alarm repository

lib/model/repositories/interfaces/alarm_repository.dart

@@ -0,0 +1,19 @@
+import '../../alarm.dart';
+
+abstract class AlarmRepository {
+  // Create
+
+  Future<void> createAlarm(Alarm alarm);
+
+  // Read
+
+  Future<List<Alarm>> loadAlarms();
+
+  // Update
+
+  Future<void> updateAlarm(Alarm alarm);
+
+  // Delete
+
+  Future<void> deleteAlarm(Alarm alarm);
+}