add helm chart

run_helm_test.sh

src/main/helm/Chart.yaml

src/main/helm/templates/_helpers.tpl

src/main/helm/templates/deployment.yaml

src/main/helm/templates/image-pull-secret.yaml

src/main/helm/templates/serviceaccount.yaml

src/main/helm/values.yaml

src/test/helm/deployment_env_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

src/test/helm/deployment_test.yaml

src/test/helm/image-pull-secret-test.yaml

src/test/helm/linter_values.yaml