feat : chicken root page , inventory , sale in province

packages/core/lib/utils/date_time_utils.dart

@@ -0,0 +1,10 @@
+import 'package:persian_datetime_picker/persian_datetime_picker.dart';
+
+extension xDateTime on String{
+  get toDateTime => DateTime.parse(this);
+  get formattedJalaliDate{
+    final dateTime = DateTime.parse(this);
+    final jalaliDate = Jalali.fromDateTime(dateTime);
+    return "${jalaliDate.year}/${jalaliDate.month.toString().padLeft(2, '0')}/${jalaliDate.day.toString().padLeft(2, '0')}";
+  }
+}