fixed import error

apps/backend/src/app.module.ts

@@ -3,7 +3,7 @@ import { PrismaModule } from 'nestjs-prisma';
 
 import { AppController } from './app.controller';
 import { AppService } from './app.service';
-import { BandsModule } from './band/bandsModule';
+import { BandsModule } from './bands/bandsModule';
 import { CommentsModule } from './comments/comments.module';
 import { ReservationsModule } from './reservations/reservations.module';
 import { UsersModule } from './users/users.module';