Add configuration for GitLab CI

2 jobs for test in 24 seconds (queued for 1 second)
Status Name Job ID Coverage
  Test
passed check_compile #55004
group

00:00:11

 
  Deploy Image
failed gitlab_deploy #55005
group

00:00:12

 
Name Stage Failure
failed
gitlab_deploy Deploy Image
Executing busybox-1.31.1-r9.trigger
Executing ca-certificates-20191127-r2.trigger
OK: 173 MiB in 32 packages
Removing intermediate container b00e8ba9a181
---> 80b5c06000c0
Step 3/11 : COPY topo30 /root/topo30
COPY failed: stat /var/lib/docker/tmp/docker-builder559299622/topo30: no such file or directory
Cleaning up file based variables
ERROR: Job failed: exit code 1