add edit page and widgets

lib/controllers/list_controller.dart

@@ -2,6 +2,7 @@ import 'package:get/get.dart';
 import '../../model/filament_model.dart';
 import '../../helpers/filament_repository.dart';
 import '../pages/details_view.dart';
+import '../pages/edit_view.dart';
 
 class ListController extends GetxController {
   final filamentList = <FilamentModel>[].obs;
@@ -35,7 +36,9 @@ class ListController extends GetxController {
     Get.toNamed(DetailsPage.namedRoute, arguments: {'filament': filament});
   }
 
-  void editFilament(FilamentModel filament) {}
+  void editFilament(FilamentModel filament) {
+    Get.toNamed(EditPage.namedRoute, arguments: {'filament': filament});
+  }
 
   void removeFilament(FilamentModel filament) {
     FilamentRepository.to.deleteFilament(filament.id);