move gitlab-ci.yml to lib

.gitlab-ci.yml.example

@@ -1,14 +0,0 @@
-stages:
-  - update
-
-update:
-  tags: shell
-  stage: update
-  rules:
-    - if: $CI_PIPELINE_SOURCE == "schedule"
-  before_script:
-    - git config --global user.email "git@git.fginfo.tu-bs.de"
-    - git config --global user.name "Gitlab CI"
-  script:
-    - ./update < pads.txt
-    - git push "https://${GITLAB_USER_NAME}:${CI_ACCESS_TOKEN}@${CI_REPOSITORY_URL#*@}" "HEAD:${CI_COMMIT_REF_NAME}" -o skip-ci