improve shutdown routine

app/lib/features/bangs/data/providers.dart

@@ -24,7 +24,7 @@ import 'package:drift/native.dart';
 import 'package:path/path.dart' as p;
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:sqlite3_flutter_libs/sqlite3_flutter_libs.dart';
-
+import 'package:weblibre/core/database_registry.dart';
 import 'package:weblibre/core/filesystem.dart';
 import 'package:weblibre/features/bangs/data/database/database.dart';
 
@@ -45,6 +45,8 @@ BangDatabase bangDatabase(Ref ref) {
     }),
   );
 
+  DatabaseRegistry.instance.register('bang', db);
+
   ref.onDispose(() async {
     await db.close();
   });

app/lib/features/bangs/data/providers.g.dart

@@ -48,4 +48,4 @@ final class BangDatabaseProvider
   }
 }
 
-String _$bangDatabaseHash() => r'86fed6bcc4a1e8a0621869c2886b1b80d353f14f';
+String _$bangDatabaseHash() => r'5a51a8c1db43e46f0adc0b08def0dc44b9b2dfd4';