Added page transition

lib/widgets/layout.dart

@@ -24,15 +24,7 @@ class Layout extends ConsumerWidget {
 
     return OverlayStyle(
       child: Scaffold(
-        body: PageTransitionSwitcher(
-          duration: const Duration(milliseconds: 200),
-          transitionBuilder: (child, primaryAnimation, secondaryAnimation) => FadeThroughTransition(
-            animation: primaryAnimation,
-            secondaryAnimation: secondaryAnimation,
-            child: child,
-          ),
-          child: child,
-        ),
+        body: child,
         bottomNavigationBar: NavigationBar(
           onDestinationSelected: (s) => ref.watch(routerProvider).replace(appScreens[s].route),
           selectedIndex: screenIndex,

lib/widgets/page_transition.dart

@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+import 'package:animations/animations.dart';
+
+class PageTransition extends StatelessWidget {
+  final Widget child;
+
+  const PageTransition({
+    Key? key,
+    required this.child,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    return PageTransitionSwitcher(
+      duration: const Duration(milliseconds: 200),
+      transitionBuilder: (child, primaryAnimation, secondaryAnimation) => FadeThroughTransition(
+        animation: primaryAnimation,
+        secondaryAnimation: secondaryAnimation,
+        child: child,
+      ),
+      child: child,
+    );
+  }
+}