addDays method
Adds the specified number of days to the current DateTime.
Args: days (int): The number of days to add.
Returns: DateTime: A new DateTime object with the added days.
Implementation
@useResult
DateTime addDays(int days) {
if (days == 0) {
return this;
}
return Jiffy.parseFromDateTime(this).add(days: days).dateTime;
}