feat: add global logging configuration

- Set root logger level to ALL
- Add log record listener to print log messages with level, time, logger name, and message

Author: fulleni

lib/bootstrap.dart

@@ -39,6 +39,10 @@ Future<Widget> bootstrap(
   app_config.AppConfig appConfig,
   app_config.AppEnvironment environment,
 ) async {
+  Logger.root.level = Level.ALL;
+  Logger.root.onRecord.listen((record) {
+    print(''''${record.level.name}: ${record.time}: ${record.loggerName}: ${record.message}'''');
+  });
   WidgetsFlutterBinding.ensureInitialized();
   Bloc.observer = const AppBlocObserver();
   final logger = Logger('bootstrap');