Add appropriate transitions to example

Author: guidezpl

packages/dynamic_color/example/lib/main.dart

@@ -1,3 +1,4 @@
+import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 
 import 'accent_color.dart';
@@ -19,6 +20,18 @@ class ExampleApp extends StatelessWidget {
   Widget build(BuildContext context) {
     final textTheme = Theme.of(context).textTheme;
     return MaterialApp(
+      theme: ThemeData(
+        pageTransitionsTheme: const PageTransitionsTheme(
+          builders: <TargetPlatform, PageTransitionsBuilder>{
+            TargetPlatform.android: ZoomPageTransitionsBuilder(),
+            TargetPlatform.iOS: CupertinoPageTransitionsBuilder(),
+            // Clean fade transitions for Web/Desktop environments
+            TargetPlatform.windows: FadeUpwardsPageTransitionsBuilder(),
+            TargetPlatform.macOS: FadeUpwardsPageTransitionsBuilder(),
+            TargetPlatform.linux: FadeUpwardsPageTransitionsBuilder(),
+          },
+        ),
+      ),
       home: Scaffold(
         appBar: AppBar(title: const Text('Examples')),
         body: Center(