Notifications (toasts) on linux don't do anything when pressed

[apa420]

Notifications sent by libnotify don't do anything when clicked. They should present the same options as in windows.

[pajlada]

Documentation for this can be found at https://gnome.pages.gitlab.gnome.org/libnotify/method.Notification.add_action.html

Implementation needs to make sure it doesn't block, that it's thread-safe, and that it doesn't leak any memory

[apa420]

https://gitlab.gnome.org/GNOME/libnotify useful resource, they have tests with example implementations.