refactor(bootstapper): migration to riverpod

example/lib/main.dart

@@ -0,0 +1,66 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:mtcore/markettakers.dart';
+
+class SimpleStage extends StageFactory {
+  @override
+  final String title = "Test";
+
+  @override
+  Future<bool> get isAlreadyCompleted async {
+    return false;
+  }
+
+  @override
+  Future<void> start(StageController controller) async {
+    await Future.delayed(Duration(seconds: 2));
+    controller.setDefiniteProgress(0.3);
+    controller.updateTitle("test 2");
+
+    await Future.delayed(Duration(seconds: 2));
+    controller.setDefiniteProgress(0.6);
+  }
+}
+
+class SimpleStage2 extends StageFactory {
+  @override
+  final String title = "Test 2";
+
+  @override
+  Future<bool> get isAlreadyCompleted async {
+    return false;
+  }
+
+  @override
+  Future<void> start(StageController controller) async {
+    controller.setDefiniteProgress(0.1);
+    await Future.delayed(Duration(seconds: 2));
+    controller.setDefiniteProgress(0.3);
+    controller.updateTitle("test 5");
+
+    await Future.delayed(Duration(seconds: 2));
+    controller.setDefiniteProgress(0.6);
+  }
+}
+
+void main() async {
+  WidgetsFlutterBinding.ensureInitialized();
+  init();
+  final completer = Completer<void>();
+  completer.future.then((_) {
+    talker.info("Bootstrapper completed, launching app");
+  });
+  runApp(
+    MaterialApp(
+      theme: ThemeData.dark(useMaterial3: true),
+      home: ProviderScope(
+        child: Bootstrapper(
+          stages: [SimpleStage(), SimpleStage2()],
+          onCompleted: completer,
+        ),
+      ),
+    ),
+  );
+}