Prepare v0.6.1 release

CITATION.cff

codemeta.json

helm/Chart.yaml

helm/values.yaml

...efinitions/uc1-flink/resources/jobmanager-deployment.yaml

...finitions/uc1-flink/resources/taskmanager-deployment.yaml

...tions/uc1-kstreams/resources/uc1-kstreams-deployment.yaml

...ad-generator/resources/uc1-load-generator-deployment.yaml

...efinitions/uc2-flink/resources/jobmanager-deployment.yaml

...finitions/uc2-flink/resources/taskmanager-deployment.yaml

...tions/uc2-kstreams/resources/uc2-kstreams-deployment.yaml

...ad-generator/resources/uc2-load-generator-deployment.yaml

...efinitions/uc3-flink/resources/jobmanager-deployment.yaml

...finitions/uc3-flink/resources/taskmanager-deployment.yaml

...tions/uc3-kstreams/resources/uc3-kstreams-deployment.yaml

...ad-generator/resources/uc3-load-generator-deployment.yaml

...efinitions/uc4-flink/resources/jobmanager-deployment.yaml

...finitions/uc4-flink/resources/taskmanager-deployment.yaml

...tions/uc4-kstreams/resources/uc4-kstreams-deployment.yaml

...ad-generator/resources/uc4-load-generator-deployment.yaml