added localizations

lib/l10n/app_localizations_en.dart

@@ -28,4 +28,37 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get search => 'Search';
+
+  @override
+  String get createBookmark => 'Create Bookmark';
+
+  @override
+  String get createCollection => 'Create Collection';
+
+  @override
+  String get create => 'Create';
+
+  @override
+  String get delete => 'Delete';
+
+  @override
+  String get add => 'Add';
+
+  @override
+  String get startSearching => 'Start searching';
+
+  @override
+  String get tipNoResults => 'There are no results that match your search';
+
+  @override
+  String get collectionName => 'Collection Name';
+
+  @override
+  String get bookmarkTitle => 'Bookmark Title';
+
+  @override
+  String get url => 'Url';
+
+  @override
+  String get description => 'Description';
 }