Anyhow was only used for paginator and
Option makes arguably more sense here than Result

you should be able to configure the video path at build
time by passing --video_path=absolute_path
which will be played instead of displaying the LOGO

this also glib::get_os_info which requires glib >2.64
closes #10

Would love to keep using gtk4, but we can't get it into 3.36 otherwise.