Merge branch 'f/gitlab-ci-pipelines-einrichten' into 'develop'

Update .gitlab-ci.yml

See merge request fia72-dev/eva_lernsituation!9

.gitlab-ci.yml

@@ -24,6 +24,9 @@ build_frontend:
   - ssh $DEPLOY_ENV_USER@$DEPLOY_ENV_TARGET "rm -rf /home/$DEPLOY_ENV_USER/serve/*" 
   - ssh $DEPLOY_ENV_USER@$DEPLOY_ENV_TARGET "mkdir -p /home/$DEPLOY_ENV_USER/serve/$CI_COMMIT_REF_NAME" 
   - rsync --progress -av -e ssh /workdir/build/* $DEPLOY_ENV_USER@$DEPLOY_ENV_TARGET:/home/$DEPLOY_ENV_USER/serve/
+  environment:
+    name: deploy
+    url: https://$DEPLOY_ENV_TARGET
 
 build_docker_host:
   stage: build