toLongDate method
Format DateTime as Long Date: Month DD, YYYY
Implementation
String toLongDate() {
final monthNames = [
'January',
'February',
'March',
'April',
'May',
'June',
'July',
'August',
'September',
'October',
'November',
'December'
];
return '${monthNames[month - 1]} $day, $year';
}