save before flutter upgrade

lib/functions/month_name.dart

@@ -0,0 +1,11 @@
+import 'package:intl/intl.dart';
+
+String monthName(int mes) {
+  DateTime dateTime = DateTime(DateTime.now().year, mes);
+
+  String value = DateFormat('MMMM', 'es').format(dateTime);
+
+  value = value[0].toUpperCase() + value.substring(1);
+
+  return value;
+}