chore(mobile): db migration & sync implementation

mobile/lib/infrastructure/entities/asset_ocr.entity.dart

@@ -0,0 +1,33 @@
+import 'package:drift/drift.dart';
+import 'package:immich_mobile/infrastructure/entities/remote_asset.entity.dart';
+import 'package:immich_mobile/infrastructure/utils/drift_default.mixin.dart';
+
+class AssetOcrEntity extends Table with DriftDefaultsMixin {
+  const AssetOcrEntity();
+
+  TextColumn get id => text()();
+
+  TextColumn get assetId => text().references(RemoteAssetEntity, #id, onDelete: KeyAction.cascade)();
+
+  RealColumn get x1 => real()();
+  RealColumn get y1 => real()();
+
+  RealColumn get x2 => real()();
+  RealColumn get y2 => real()();
+
+  RealColumn get x3 => real()();
+  RealColumn get y3 => real()();
+
+  RealColumn get x4 => real()();
+  RealColumn get y4 => real()();
+
+  RealColumn get boxScore => real()();
+  RealColumn get textScore => real()();
+
+  TextColumn get recognizedText => text().named('text')();
+
+  BoolColumn get isVisible => boolean().withDefault(const Constant(true))();
+
+  @override
+  Set<Column> get primaryKey => {id};
+}