added smooth_page_indicator for devices view body

lib/utils/helpers/custom_page_route.dart

@@ -0,0 +1,11 @@
+import 'package:flutter/material.dart';
+
+class CustomPageRoute extends MaterialPageRoute {
+  CustomPageRoute({
+    required super.builder,
+    super.settings,
+  });
+
+  @override
+  Duration get transitionDuration => const Duration(milliseconds: 0);
+}