flutter pub add shadcn_ui

dependencies:
  shadcn_ui: ^0.2.4  # use latest version

import 'package:shadcn_ui/shadcn_ui.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return ShadApp();
  }
}

import 'package:shadcn_ui/shadcn_ui.dart';
import 'package:flutter/material.dart';

return ShadApp.custom(
  themeMode: ThemeMode.dark,
  darkTheme: ShadThemeData(
    brightness: Brightness.dark,
    colorScheme: const ShadSlateColorScheme.dark(),
  ),
  appBuilder: (context) {
    return MaterialApp(
      theme: Theme.of(context),
      builder: (context, child) {
        return ShadAppBuilder(child: child!);
      },
    );
  },
);

import 'package:shadcn_ui/shadcn_ui.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter_localizations/flutter_localizations.dart';

return ShadApp.custom(
  themeMode: ThemeMode.dark,
  darkTheme: ShadThemeData(
    brightness: Brightness.dark,
    colorScheme: const ShadSlateColorScheme.dark(),
  ),
  appBuilder: (context) {
    return CupertinoApp(
      theme: CupertinoTheme.of(context),
      localizationsDelegates: const [
        DefaultMaterialLocalizations.delegate,
        DefaultCupertinoLocalizations.delegate,
        DefaultWidgetsLocalizations.delegate,
      ],
      builder: (context, child) {
        return ShadAppBuilder(child: child!);
      },
    );
  },
);