feat(flutter): 新增剧场筛选页

lib/l10n/app_localizations_en.dart

@@ -98,6 +98,39 @@ class AppLocalizationsEn extends AppLocalizations {
   @override
   String get filter => 'Filter';
 
+  @override
+  String get filterGroupCategory => 'All genres';
+
+  @override
+  String get filterGroupTheme => 'All themes';
+
+  @override
+  String get filterGroupLanguage => 'All languages';
+
+  @override
+  String get filterGroupSort => 'All recommendations';
+
+  @override
+  String get sortNewest => 'Newest';
+
+  @override
+  String get sortHottest => 'Hottest';
+
+  @override
+  String get expandFilters => 'Expand';
+
+  @override
+  String get collapseFilters => 'Collapse';
+
+  @override
+  String get filterEmpty => 'No dramas match these filters';
+
+  @override
+  String get hotBadge => 'Hit';
+
+  @override
+  String get filterAll => 'All';
+
   @override
   String seriesMeta(String episodes, String viewers) {
     return 'Series · $episodes eps | $viewers watching';