add edit page and widgets

lib/helpers/sample_bindings.dart

@@ -1,6 +1,7 @@
 import 'package:get/get.dart';
 
 import '../controllers/details_controller.dart';
+import '../controllers/edit_controller.dart';
 import '../controllers/home_controller.dart';
 import '../controllers/list_controller.dart';
 
@@ -13,6 +14,7 @@ class SampleBindings extends Bindings {
     Get.lazyPut<HomeController>(() => HomeController());  
     Get.lazyPut<ListController>(() => ListController());
     Get.lazyPut<DetailsController>(() => DetailsController());
+    Get.lazyPut<EditController>(() => EditController());
   }
   
 }

lib/helpers/sample_routes.dart

@@ -1,4 +1,5 @@
 import 'package:get/get.dart';
+import '../pages/edit_view.dart';
 import 'sample_bindings.dart';
 import '../pages/home_view.dart';
 import '../pages/list_view.dart';
@@ -25,6 +26,11 @@ class SampleRouts {
       page: () => const DetailsPage(),
       binding: sampleBindings,
     ),
+    GetPage(
+      name: EditPage.namedRoute,
+      page: () => const EditPage(),
+      binding: sampleBindings,
+    ),
     
   ];