Require a automation (shell script) to create and import projects into gitlab

we require a shell script to:

1. create a project into a exiting group
2. import labels
3. import milestones
4. import default issues
5. import default files into master branch
6. create a custom branch "develop" from master
7. set repository protection
10. import set of users as developers with a date validity of 90 days
11. assign default issues to these users

MANDATORY:
you are experienced with gitlab administration

script and tool delivery into our git

you require your own gitlab with latest stable version to run these tests