Merge branch 'master' of...

Merge branch 'master' of gitlab.mathematik.uni-stuttgart.de:ians-nmh/teaching/sustainablesoftwareengineering.jl

.gitlab-ci.yml

+# To contribute improvements to CI/CD templates, please follow the Development guide at:
+# https://docs.gitlab.com/ee/development/cicd/templates.html
+# This specific template is located at:
+# https://gitlab.com/gitlab-org/gitlab/-/blob/master/lib/gitlab/ci/templates/Pages/HTML.gitlab-ci.yml
+
+# Full project: https://gitlab.com/pages/plain-html
+pages:
+  stage: deploy
+  image: alpine:latest
+  environment: production
+  script:
+    - mkdir .public
+    - cp -r ./* .public
+    - rm -rf public
+    - mv .public public
+  artifacts:
+    paths:
+      - public
+  rules:
+    - if: $CI_COMMIT_BRANCH == $CI_DEFAULT_BRANCH