feat(example_full): create example representing the whole plugin functional

example_full/lib/main.dart

@@ -0,0 +1,14 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:nearby_service_example_full/domain/app_service.dart';
+import 'presentation/app.dart';
+
+Future<void> main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  final service = AppService();
+  await service.getPlatformInfo();
+  runApp(
+    App(service: service),
+  );
+}