PDF: Please add properties "Subject", "Keywords", "Created", "Modified" and "Application"

[PeterCodar]

Is your feature request related to a problem? Please describe

Currenty, we can set this 3 PDF properties with Formats.PdfWriteDefines
Author
Producer
Title

Describe the solution you'd like

Please add this 5 PDF properties too:
Subject
Keywords
Created
Modified
Application

Describe alternatives you've considered

Write the properties with an external tool after the PDF is created.

Additional context

Example PDF created with LibreOffice and filled properties

Example PDF Properties.pdf

[dlemstra]

I made some changes in ImageMagick yesterday and this will become available in the next release of Magick.NET:

PdfWriteDefines.CreationTime (you call this Created)
PdfWriteDefines.Creator (you call this Application)
PdfWriteDefines.Subject
PdfWriteDefines.Keywords
PdfWriteDefines.ModificationTime (you call this Modified)

[PeterCodar]

Great. Thank you very much for this quick change.

The names are from the Adobe Reader properties:

[dlemstra]

I decided to use the names that are written to the document. Except for CreationDate and ModDate:

<</Title<FEFF005000440046002D005400690074006C0065>
/Author<FEFF005000440046002000460069007200730074006E0061006D006500200050004400460020004C006100730074006E0061006D0065>
/Subject<FEFF005000440046002D005300750062006A006500630074>
/Keywords<FEFF005000440046002D004B006500790077006F007200640031002C0020005000440046002D004B006500790077006F0072006400200032>
/Creator<FEFF005700720069007400650072>
/Producer<FEFF004C0069006200720065004F0066006600690063006500200037002E0033>
/CreationDate(D:20220617102355+02'00')>>