scylla_setup: create the scylla-housekeeping conf file if missing
scylla_setup: create the scylla-housekeeping conf file if missing

When running the scylla_setup, the script would check that the
housekeeping configuration file: housekepping.conf exists.
If not, it would ask the user if to run the check version option or not
and create the file accordingly.

Signed-off-by: Amnon Heiman <ed5fc74c4692051ad0b19749fd7cea6ec2d74b9e@scylladb.com>

scylladb/scylla,raphaelsc/scylla,duarten/scylla,avikivity/scylla,duarten/scylla,scylladb/scylla,scylladb/scylla,scylladb/scylla,avikivity/scylla,raphaelsc/scylla,raphaelsc/scylla,avikivity/scylla,duarten/scylla