cli/create: rework share creation to use libfile
cli/create: rework share creation to use libfile

With libfile Azure File Service support now added, share creation
requests can also make use of it.

Signed-off-by: David Disseldorp <589a549dc9f982d9f46aeeb82a09ab6d87ccf1d8@suse.de>

ddiss/elasto,ddiss/elasto