feat: int and string extension

lib/common/extension/date_extension.dart

@@ -1,33 +1,33 @@
-import 'package:intl/intl.dart';
+part of 'extension.dart';
 
 extension DateTimeIndonesia on DateTime {
   /// Format: 13 Agustus 2025
-  String toDate() {
+  String get toDate {
     return DateFormat('d MMMM yyyy', 'id_ID').format(this);
   }
 
   /// Format: 13 Agustus 2025 20:00
-  String toDatetime() {
+  String get toDatetime {
     return DateFormat('d MMMM yyyy HH:mm', 'id_ID').format(this);
   }
 
   /// Format: Rabu, 13 Agustus 2025
-  String toDayDate() {
+  String get toDayDate {
     return DateFormat('EEEE, d MMMM yyyy', 'id_ID').format(this);
   }
 
   /// Format: 13/08/2025
-  String toShortDate() {
+  String get toShortDate {
     return DateFormat('dd/MM/yyyy', 'id_ID').format(this);
   }
 
   /// Format: 13-08-2025
-  String toSeverDate() {
+  String get toServerDate {
     return DateFormat('dd-MM-yyyy', 'id_ID').format(this);
   }
 
   /// Format jam: 14:30
-  String toHourMinute() {
+  String get toHourMinute {
     return DateFormat('HH:mm', 'id_ID').format(this);
   }
 }