Add .gitlab-ci.yml

1 job for master in 15 seconds
Status Job ID Name Coverage
  Build
failed #64115
build-wheel

00:00:15

 
Name Stage Failure
failed
build-wheel Build
From https://jugit.fz-juelich.de/a.knieps/w7x-webservices
* [new ref] refs/pipelines/17366 -> refs/pipelines/17366
* [new branch] master -> origin/master
Checking out 77379333 as master...

Skipping Git submodules setup
$ python setup.py bdist_wheel
/bin/sh: eval: line 86: python: not found
ERROR: Job failed: exit code 127