refactored and updated code

lib/l10n/app_localizations_en.dart

@@ -0,0 +1,82 @@
+// ignore: unused_import
+import 'package:intl/intl.dart' as intl;
+import 'app_localizations.dart';
+
+// ignore_for_file: type=lint
+
+/// The translations for English (`en`).
+class AppLocalizationsEn extends AppLocalizations {
+  AppLocalizationsEn([String locale = 'en']) : super(locale);
+
+  @override
+  String get german => 'German';
+
+  @override
+  String get english => 'English';
+
+  @override
+  String get resume => 'Resume';
+
+  @override
+  String get skills => 'Skills';
+
+  @override
+  String get languages => 'Languages';
+
+  @override
+  String get mother_tongue => 'Native';
+
+  @override
+  String get very_good => 'Very good';
+
+  @override
+  String get about_me => 'About me';
+
+  @override
+  String get additional_skills => 'Additional Skills';
+
+  @override
+  String get work_experience => 'Work experience';
+
+  @override
+  String get education => 'Education';
+
+  @override
+  String get source_code => 'Source Code';
+
+  @override
+  String get january => 'January';
+
+  @override
+  String get february => 'February';
+
+  @override
+  String get march => 'March';
+
+  @override
+  String get april => 'April';
+
+  @override
+  String get may => 'May';
+
+  @override
+  String get june => 'June';
+
+  @override
+  String get july => 'July';
+
+  @override
+  String get august => 'August';
+
+  @override
+  String get september => 'September';
+
+  @override
+  String get october => 'October';
+
+  @override
+  String get november => 'November';
+
+  @override
+  String get december => 'December';
+}