Add local profile

test/data/local/migrations_test.dart

@@ -0,0 +1,20 @@
+import 'package:drift_dev/api/migrations.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:hiddify/data/local/database.dart';
+
+import 'generated_migrations/schema.dart';
+
+void main() {
+  late SchemaVerifier verifier;
+
+  setUpAll(() {
+    verifier = SchemaVerifier(GeneratedHelper());
+  });
+
+  test('upgrade from v1 to v2', () async {
+    final connection = await verifier.startAt(1);
+    final db = AppDatabase(connection: connection);
+
+    await verifier.migrateAndValidate(db, 2);
+  });
+}