Add support for 'raj' locale in the application

ios/Runner/Info.plist

@@ -9,6 +9,7 @@
 		<string>hi</string>
 		<string>en</string>
 		<string>gu</string>
+		<string>raj</string>
 		<string>kn</string>
 		<string>mr</string>
 	</array>

l10n.yaml

@@ -4,4 +4,5 @@ output-localization-file: app_localizations.dart
 supported-locales:
   - en
   - hi
+  - raj
 untranslated-messages-file: untranslated.txt

lib/l10n/app_localizations.dart

@@ -10,6 +10,7 @@ import 'app_localizations_gu.dart';
 import 'app_localizations_hi.dart';
 import 'app_localizations_kn.dart';
 import 'app_localizations_mr.dart';
+import 'app_localizations_raj.dart';
 
 // ignore_for_file: type=lint
 
@@ -65,8 +66,7 @@ import 'app_localizations_mr.dart';
 /// be consistent with the languages listed in the AppLocalizations.supportedLocales
 /// property.
 abstract class AppLocalizations {
-  AppLocalizations(String locale)
-    : localeName = intl.Intl.canonicalizedLocale(locale.toString());
+  AppLocalizations(String locale) : localeName = intl.Intl.canonicalizedLocale(locale.toString());
 
   final String localeName;
 
@@ -89,17 +89,18 @@ abstract class AppLocalizations {
   /// of delegates is preferred or required.
   static const List<LocalizationsDelegate<dynamic>> localizationsDelegates =
       <LocalizationsDelegate<dynamic>>[
-        delegate,
-        GlobalMaterialLocalizations.delegate,
-        GlobalCupertinoLocalizations.delegate,
-        GlobalWidgetsLocalizations.delegate,
-      ];
+    delegate,
+    GlobalMaterialLocalizations.delegate,
+    GlobalCupertinoLocalizations.delegate,
+    GlobalWidgetsLocalizations.delegate,
+  ];
 
   /// A list of this localizations delegate's supported locales.
   static const List<Locale> supportedLocales = <Locale>[
     Locale('en'),
     Locale('gu'),
     Locale('hi'),
+    Locale('raj'),
     Locale('kn'),
     Locale('mr'),
   ];
@@ -2478,7 +2479,7 @@ class _AppLocalizationsDelegate
 
   @override
   bool isSupported(Locale locale) =>
-      <String>['en', 'gu', 'hi', 'kn', 'mr'].contains(locale.languageCode);
+      <String>['en', 'gu', 'hi', 'kn', 'mr','raj'].contains(locale.languageCode);
 
   @override
   bool shouldReload(_AppLocalizationsDelegate old) => false;
@@ -2493,6 +2494,8 @@ AppLocalizations lookupAppLocalizations(Locale locale) {
       return AppLocalizationsGu();
     case 'hi':
       return AppLocalizationsHi();
+    case 'raj':
+      return AppLocalizationsRaj();
     case 'kn':
       return AppLocalizationsKn();
     case 'mr':