Add Finglish month names jalali formatter

example/shamsi_date_example.dart

@@ -174,6 +174,15 @@ void main() {
 
   print(format1Af(j1)); // prints: پنج شنبه 21 جدی 91
 
+  // Finglish example:
+  String format1Fn(Jalali d) {
+    final f = d.formatter;
+
+    return '${f.wNFn} ${f.d} ${f.mNFn} ${f.yy}';
+  }
+
+  print(format1Fn(j1)); // print: Panjshanbeh 21 Dey 91
+
   // example two:
   String format2(Date d) {
     final f = d.formatter;

lib/src/jalali/jalali_formatter.dart

@@ -26,6 +26,22 @@ class JalaliFormatter extends DateFormatter {
     'اسفند',
   ];
 
+  /// Jalali month names in Finglish
+  static const List<String> _monthNamesFinglish = [
+    'Farvardin',
+    'Ordibehesht',
+    'Khordad',
+    'Tir',
+    'Mordad',
+    'Shahrivar',
+    'Mehr',
+    'Aban',
+    'Azar',
+    'Dey',
+    'Bahman',
+    'Esfand',
+  ];
+
   /// Jalali Month Names in Afghanistan
   static const List<String> _monthNamesAfghanistan = [
     'حمل',
@@ -53,12 +69,28 @@ class JalaliFormatter extends DateFormatter {
     'جمعه',
   ];
 
+  /// Jalali week day names in Finglish
+  static const List<String> _weekDayNamesFinglish = [
+    'Shanbeh',
+    'Yekshanbeh',
+    'Doshanbeh',
+    'Seshanbeh',
+    'Chaharshanbeh',
+    'Panjshanbeh',
+    'Jomeh',
+  ];
+
   /// Jalali month name
   @override
   String get mN {
     return _monthNames[date.month - 1];
   }
 
+  /// Jalali month names in Finglish
+  String get mNFn {
+    return _monthNamesFinglish[date.month - 1];
+  }
+
   /// Jalali month name in Afghanistan
   String get mNAf {
     return _monthNamesAfghanistan[date.month - 1];
@@ -70,6 +102,11 @@ class JalaliFormatter extends DateFormatter {
     return _weekDayNames[date.weekDay - 1];
   }
 
+  /// Jalali week day name in Finglish
+  String get wNFn {
+    return _weekDayNamesFinglish[date.weekDay - 1];
+  }
+
   /// Default date Seperator = `/`
   @override
   String get sep => '/';

test/shamsi_date_test.dart

@@ -828,6 +828,23 @@ void main() {
     expect(f3.wN, 'جمعه');
   });
 
+  test('Jalali.formatter.mNFn', () {
+    final d1 = Jalali(1404, 4, 22);
+    final f1 = d1.formatter;
+    expect(f1.mNFn, 'Tir');
+    expect(f1.wNFn, 'Yekshanbeh');
+
+    final d2 = Jalali(1404, 6, 21);
+    final f2 = d2.formatter;
+    expect(f2.mNFn, 'Shahrivar');
+    expect(f2.wNFn, 'Jomeh');
+
+    final d3 = Jalali(1404, 12, 2);
+    final f3 = d3.formatter;
+    expect(f3.mNFn, 'Esfand');
+    expect(f3.wNFn, 'Shanbeh');
+  });
+
   test('Jalali.formatter.mNAf', () {
     final j1 = Jalali(1397, 1, 3);
     final f1 = j1.formatter;