OZG-3075 move helm chart to user-manager server

user-manager-server/src/main/helm/Chart.yaml

user-manager-server/src/main/helm/README.md

user-manager-server/src/main/helm/templates/_helpers.tpl

user-manager-server/src/main/helm/templates/deployment.yaml

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

user-manager-server/src/main/helm/templates/ingress.yaml

user-manager-server/src/main/helm/templates/service.yaml

...nager-server/src/main/helm/templates/service_monitor.yaml

user-manager-server/src/main/helm/test-values.yaml

user-manager-server/src/main/helm/values.yaml

...server/src/test/helm/deployment-keycloak-values-test.yaml

...test/helm/deployment-mongodb-passwort-secretref-test.yaml

user-manager-server/src/test/helm/deployment-test.yaml

...nager-server/src/test/helm/deployment-url-value-test.yaml

...server/src/test/helm/deployment_defaults_labels_test.yaml

user-manager-server/src/test/helm/deployment_env_test.yaml

...nager-server/src/test/helm/deployment_resources_test.yaml

...r-server/src/test/helm/deployment_scrapeMetrics_test.yaml

...nager-server/src/test/helm/ingress_traefik_cors_test.yaml

user-manager-server/src/test/helm/service_monitor_test.yaml