feat: add the flutter_availability userstory to the example app

apps/example/lib/main.dart

@@ -1,64 +1,24 @@
 import "package:flutter/material.dart";
+import "package:flutter_availability/flutter_availability.dart";
 
 void main() {
-  runApp(const MyApp());
+  runApp(const App());
 }
 
-class MyApp extends StatelessWidget {
-  const MyApp({super.key});
+class App extends StatelessWidget {
+  const App({super.key});
 
   @override
-  Widget build(BuildContext context) => MaterialApp(
-        title: "Flutter Demo",
-        theme: ThemeData(
-          colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
-          useMaterial3: true,
-        ),
-        home: const MyHomePage(title: "Flutter Demo Home Page"),
+  Widget build(BuildContext context) => const MaterialApp(
+        home: Home(),
       );
 }
 
-class MyHomePage extends StatefulWidget {
-  const MyHomePage({required this.title, super.key});
-  final String title;
+class Home extends StatelessWidget {
+  const Home({super.key});
 
   @override
-  State<MyHomePage> createState() => _MyHomePageState();
-}
-
-class _MyHomePageState extends State<MyHomePage> {
-  int _counter = 0;
-
-  void _incrementCounter() {
-    setState(() {
-      _counter++;
-    });
-  }
-
-  @override
-  Widget build(BuildContext context) => Scaffold(
-        appBar: AppBar(
-          backgroundColor: Theme.of(context).colorScheme.inversePrimary,
-          title: Text(widget.title),
-        ),
-        body: Center(
-          child: Column(
-            mainAxisAlignment: MainAxisAlignment.center,
-            children: <Widget>[
-              const Text(
-                "You have pushed the button this many times:",
-              ),
-              Text(
-                "$_counter",
-                style: Theme.of(context).textTheme.headlineMedium,
-              ),
-            ],
-          ),
-        ),
-        floatingActionButton: FloatingActionButton(
-          onPressed: _incrementCounter,
-          tooltip: "Increment",
-          child: const Icon(Icons.add),
-        ), // This trailing comma makes auto-formatting nicer for build methods.
+  Widget build(BuildContext context) => availabilityNavigatorUserStory(
+        context,
       );
 }

packages/flutter_availability/pubspec.yaml

@@ -10,6 +10,7 @@ environment:
 dependencies:
   flutter:
     sdk: flutter
+  intl: any
   flutter_availability_data_interface:
     git:
       url: https://github.com/Iconica-Development/flutter_availability