Update the bsdinstall handbook section to describe the automatic 'root-on-zfs' feature. Also add documentation for the 'shell' mode feature that was not documented before. PR: docs/187683 Submitted by: Allan Jude <freebsd@allanjude.com> Approved by: bcr (mentor)
head/en_US.ISO8859-1/books/handbook/Makefile
head/share/images/books/handbook/bsdinstall/bsdinstall-zfs-disk_info.png
head/share/images/books/handbook/bsdinstall/bsdinstall-zfs-disk_select.png
head/share/images/books/handbook/bsdinstall/bsdinstall-zfs-geli_password.png
head/share/images/books/handbook/bsdinstall/bsdinstall-zfs-menu.png
head/share/images/books/handbook/bsdinstall/bsdinstall-zfs-partmenu.png
head/share/images/books/handbook/bsdinstall/bsdinstall-zfs-vdev_invalid.png
head/share/images/books/handbook/bsdinstall/bsdinstall-zfs-vdev_type.png
head/share/images/books/handbook/bsdinstall/bsdinstall-zfs-warning.png
