add Unix time Converter

[OmlineEditor]

when editing files, the date is often in the form of a number (example: 1625749670) that is difficult to understand. this is the number in Unix time. you will have a better converter if you add Unix time here are examples of online converters: https://unixtime-converter.com/ https://i-leon.ru/tools/time

[virtadpt]

This would be way easier (and faster) than grepping the date manpage every time.