implemented new loadable state concept

lib/state/app/infrastructure/utilityWidgets/bloc_providing_builder.dart

@@ -0,0 +1,11 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+
+class BlocProvidingBuilder<TBloc extends StateStreamableSource<TState>, TState> extends StatelessWidget {
+  final TBloc Function(BuildContext context) create;
+  final Widget Function(BuildContext context, TState state) child;
+  const BlocProvidingBuilder({required this.create, required this.child, super.key});
+
+  @override
+  Widget build(BuildContext context) => BlocProvider<TBloc>(create: create, child: BlocBuilder<TBloc, TState>(builder: child));
+}