feat: full local assets / album sync

mobile-v2/lib/domain/interfaces/album.interface.dart

@@ -0,0 +1,14 @@
+import 'dart:async';
+
+import 'package:immich_mobile/domain/models/album.model.dart';
+
+abstract interface class IAlbumRepository {
+  /// Inserts a new album into the DB or updates if existing and returns the updated data
+  FutureOr<Album?> upsert(Album album);
+
+  /// Fetch all albums
+  FutureOr<List<Album>> getAll({bool localOnly, bool remoteOnly});
+
+  /// Removes album with the given [id]
+  FutureOr<void> deleteId(int id);
+}