feat(l10n): update app configuration translations and labels

- Update Arabic translations for app configuration terms
- Change "App Configuration" to "Remote Config" in English localization
- Update related page titles and navigation item labels

Author: fulleni

lib/l10n/app_localizations.dart

@@ -269,7 +269,7 @@ abstract class AppLocalizations {
   /// Label for the app configuration navigation item
   ///
   /// In en, this message translates to:
-  /// **'App Configuration'**
+  /// **'Remote Config'**
   String get appConfiguration;
 
   /// Description for the App Configuration page
@@ -287,7 +287,7 @@ abstract class AppLocalizations {
   /// Title for the App Configuration page
   ///
   /// In en, this message translates to:
-  /// **'App Configuration'**
+  /// **'Remote Configuration'**
   String get appConfigurationPageTitle;
 
   /// Tab title for Feed settings

lib/l10n/app_localizations_ar.dart

@@ -105,7 +105,7 @@ class AppLocalizationsAr extends AppLocalizations {
   String get source => 'المصدر';
 
   @override
-  String get appConfiguration => 'إعدادات التطبيق';
+  String get appConfiguration => 'التحكم المركزي';
 
   @override
   String get appConfigurationPageDescription =>
@@ -115,7 +115,7 @@ class AppLocalizationsAr extends AppLocalizations {
   String get settings => 'الإعدادات';
 
   @override
-  String get appConfigurationPageTitle => 'إعدادات التطبيق';
+  String get appConfigurationPageTitle => 'التحكم المركزي';
 
   @override
   String get feedTab => 'الموجز';

lib/l10n/app_localizations_en.dart

@@ -104,7 +104,7 @@ class AppLocalizationsEn extends AppLocalizations {
   String get source => 'Source';
 
   @override
-  String get appConfiguration => 'App Configuration';
+  String get appConfiguration => 'Remote Config';
 
   @override
   String get appConfigurationPageDescription =>
@@ -114,7 +114,7 @@ class AppLocalizationsEn extends AppLocalizations {
   String get settings => 'Settings';
 
   @override
-  String get appConfigurationPageTitle => 'App Configuration';
+  String get appConfigurationPageTitle => 'Remote Configuration';
 
   @override
   String get feedTab => 'Feed';

lib/l10n/arb/app_ar.arb

@@ -127,7 +127,7 @@
   "@source": {
     "description": "تسمية المصدر"
   },
-  "appConfiguration": "إعدادات التطبيق",
+  "appConfiguration": "التحكم المركزي",
   "@appConfiguration": {
     "description": "تسمية عنصر التنقل لإعدادات التطبيق"
   },
@@ -139,7 +139,7 @@
   "@settings": {
     "description": "تسمية عنصر التنقل للإعدادات"
   },
-  "appConfigurationPageTitle": "إعدادات التطبيق",
+  "appConfigurationPageTitle": "التحكم المركزي",
   "@appConfigurationPageTitle": {
     "description": "عنوان صفحة إعدادات التطبيق"
   },

lib/l10n/arb/app_en.arb

@@ -127,7 +127,7 @@
   "@source": {
     "description": "Label for the a singular source"
   },
-  "appConfiguration": "App Configuration",
+  "appConfiguration": "Remote Config",
   "@appConfiguration": {
     "description": "Label for the app configuration navigation item"
   },
@@ -139,7 +139,7 @@
   "@settings": {
     "description": "Label for the settings navigation item"
   },
-  "appConfigurationPageTitle": "App Configuration",
+  "appConfigurationPageTitle": "Remote Configuration",
   "@appConfigurationPageTitle": {
     "description": "Title for the App Configuration page"
   },