create navigation extention

lib/core/helpers/extentions.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+
+extension Navigation on BuildContext {
+  Future pushNamed(String routeName, {Object? arguments}) {
+    return Navigator.of(this).pushNamed(routeName, arguments: arguments);
+  }
+
+  Future pushReplacementNamed(String routeName, {Object? arguments}) {
+    return Navigator.of(this)
+        .pushReplacementNamed(routeName, arguments: arguments);
+  }
+
+  Future pushNamedAndRemoveUntil(String routeName,
+      {Object? arguments, required RoutePredicate predicate}) {
+    return Navigator.of(this)
+        .pushNamedAndRemoveUntil(routeName, predicate, arguments: arguments);
+  }
+
+  void pop() => Navigator.of(this).pop();
+}

lib/docdoc_app.dart

@@ -11,7 +11,7 @@ class DocDocApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return ScreenUtilInit(
-      designSize: const Size(360, 690),
+      designSize: const Size(375, 812),
       minTextAdapt: true,
       child: MaterialApp(
         debugShowCheckedModeBanner: false,