6711 resolve part of the comments

Jenkinsfile

README.md

pom.xml

src/main/helm/templates/deployment.yaml

...zgcloud_elstertransfer_operator_user_read_write_role.yaml

...elstertransfer_operator_user_read_write_role_binding.yaml

src/main/helm/templates/rbacs/service_account.yaml

src/main/helm/values.yaml

...zgcloud/operator/ElsterTransferOperatorConfiguration.java

...a/de/ozgcloud/operator/elstertransfer/user/Constants.java

...ransfer/user/OzgCloudElsterTransferConfigMapUserList.java

...ertransfer/user/OzgCloudElsterTransferUserReconciler.java

...ransfer/user/OzgCloudElsterTransferUserRemoteService.java

...lstertransfer/user/OzgCloudElsterTransferUserService.java

...perator/elstertransfer/user/UserUpdateControlBuilder.java

src/test/helm/deployment_env_test.yaml

src/test/helm/deployment_matchlabels_test.yaml

src/test/helm/deployment_metadata_labels_test.yaml

src/test/helm/deployment_pull_secret_test.yaml

src/test/helm/deployment_resources_test.yaml