Added .yml file

.gitlab-ci.yml

+image: ubuntu
+
+before_script:
+  - echo "Hello, $GITLAB_USER_LOGIN!"
+  - 'which ssh-agent || ( apt-get update -y && apt-get install openssh-client -y )'
+  - eval $(ssh-agent -s)
+  - echo "$SSH_PRIVATE_KEY" | base64 -d | tr -d '\r' | ssh-add - > /dev/null
+  - mkdir -p ~/.ssh
+  - chmod 700 ~/.ssh
+  - ssh-keyscan bwunicluster.scc.kit.edu > ~/.ssh/known_hosts
+  - chmod 644 ~/.ssh/known_hosts
+
+Test SSH:
+    script:
+      - ssh $USER_NAME "./scriptPull/pullTransformers.sh"