update .gitlabci to .singularityci, LICENSE, CI and singularity utils

3 jobs for new_release in 2 minutes and 29 seconds (queued for 1 second)
Status Job ID Name Coverage
  Install
passed #308720
install_project

00:01:45

 
  Test
passed #308722
test_docker_registry

00:00:27

passed #308721
test_project

00:00:16