.gitlab-ci.yml: move the content to .gitlab-ci-main.yml

We introduce an indirection from
gitlab-ci.yml via .gitlab-ci-default.yml to .gitlab-ci-main.yml

We do that in order to introduce a .gitlab-ci-coverage.yml later
as that will have to use different settings in future.

Signed-off-by: Stefan Metzmacher <[email protected]>
Reviewed-by: Andrew Bartlett <[email protected]>
Reviewed-by: Andreas Schneider <[email protected]>

Author: metze-samba

.gitlab-ci-default.yml

@@ -0,0 +1,2 @@
+include:
+  - /.gitlab-ci-main.yml