added ydotool for wayland

Joel Grunbaum

2021-07-27 ea9da2c385dde48411e0500d10a778cbde000896

 system_backup.sh

@@ -15,6 +15,7 @@
    --one-file-system \
    --exclude-caches \
    --exclude /var/cache \
    --exclude /backup \
    \
    ::"$(date +%F)" \
    /