feat(localization): add suggested topics and sources titles

- Add Arabic and English translations for "Suggested Topics" and "Suggested Sources" titles
- Include descriptions for new translations in app_ar.arb and app_en.arb files

Author: fulleni

lib/l10n/app_localizations.dart

@@ -1693,6 +1693,18 @@ abstract class AppLocalizations {
   /// In en, this message translates to:
   /// **'Loading Filters'**
   String get headlinesFeedFilterLoadingHeadline;
+
+  /// Title for the suggested topics content collection.
+  ///
+  /// In en, this message translates to:
+  /// **'Suggested Topics'**
+  String get suggestedTopicsTitle;
+
+  /// Title for the suggested sources content collection.
+  ///
+  /// In en, this message translates to:
+  /// **'Suggested Sources'**
+  String get suggestedSourcesTitle;
 }
 
 class _AppLocalizationsDelegate

lib/l10n/app_localizations_ar.dart

@@ -883,4 +883,10 @@ class AppLocalizationsAr extends AppLocalizations {
 
   @override
   String get headlinesFeedFilterLoadingHeadline => 'جاري تحميل الفلاتر';
+
+  @override
+  String get suggestedTopicsTitle => 'مواضيع مقترحة';
+
+  @override
+  String get suggestedSourcesTitle => 'مصادر مقترحة';
 }

lib/l10n/app_localizations_en.dart

@@ -885,4 +885,10 @@ class AppLocalizationsEn extends AppLocalizations {
 
   @override
   String get headlinesFeedFilterLoadingHeadline => 'Loading Filters';
+
+  @override
+  String get suggestedTopicsTitle => 'Suggested Topics';
+
+  @override
+  String get suggestedSourcesTitle => 'Suggested Sources';
 }

lib/l10n/arb/app_ar.arb

@@ -1152,5 +1152,13 @@
     "headlinesFeedFilterLoadingHeadline": "جاري تحميل الفلاتر",
     "@headlinesFeedFilterLoadingHeadline": {
         "description": "Headline for the loading state when fetching filter options on the headlines filter page."
+    },
+    "suggestedTopicsTitle": "مواضيع مقترحة",
+    "@suggestedTopicsTitle": {
+        "description": "عنوان لمجموعة المواضيع المقترحة."
+    },
+    "suggestedSourcesTitle": "مصادر مقترحة",
+    "@suggestedSourcesTitle": {
+        "description": "عنوان لمجموعة المصادر المقترحة."
     }
 }

lib/l10n/arb/app_en.arb

@@ -1152,5 +1152,13 @@
     "headlinesFeedFilterLoadingHeadline": "Loading Filters",
     "@headlinesFeedFilterLoadingHeadline": {
         "description": "Headline for the loading state when fetching filter options on the headlines filter page."
+    },
+    "suggestedTopicsTitle": "Suggested Topics",
+    "@suggestedTopicsTitle": {
+        "description": "Title for the suggested topics content collection."
+    },
+    "suggestedSourcesTitle": "Suggested Sources",
+    "@suggestedSourcesTitle": {
+        "description": "Title for the suggested sources content collection."
     }
 }