Also expose date as extra Luxon object

Is your feature request related to a problem? Please describe.

I would like to access the original time zone offset that was specified in front matter. eg.

2024-03-11T10:00:00.000-07:00
2024-03-31T17:00:00.000+10:30

As far as I can tell, that information is lost when the date is converted to a JavaScript Date.

Describe the solution you'd like

If there were an additional property eg. luxonDate that was set to the Luxon DateTime object, then that object would be directly available for use.

Describe alternatives you've considered

No response

Additional context

No response