gitlab CI: add a basic build test

Uses FreeBSD 13.0 for build environment

Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
6 jobs for CI in 13 minutes and 48 seconds (queued for 4 seconds)
latest
Name Stage Failure
failed
build Build
++ whoami
+ [[ root != \r\o\o\t ]]
+ SSH_CONFIG_DIR=/etc/ssh/ssh_config.d/
+ rm -f /etc/ssh/ssh_config.d//99-vm.conf
+ exit
$ set -e
$ test -e .success || exit 1
Cleaning up project directory and file based variables
ERROR: Job failed: exit code 1