feature: Export contact

[cocochristmas]

Hi,

A good feature can be to export contacts as csv with the ui

[pierre-b]

Hi @cocochristmas , is it something you really need soon?

[cocochristmas]

not soon but it's can be very useful for sharing data between different tools. For the meantime I'm using the API

[pierre-b]

Added in https://github.com/Notifuse/notifuse/releases/tag/v26.7