OZG-4453 convert keycloak-operator to module

ozgcloud-keycloak-operator/README.MD

ozgcloud-keycloak-operator/doc/examples/client-alfa.yaml

ozgcloud-keycloak-operator/doc/examples/realm-berlin.yaml

ozgcloud-keycloak-operator/doc/examples/user-helge.yaml

ozgcloud-keycloak-operator/mvnw

ozgcloud-keycloak-operator/mvnw.cmd

ozgcloud-keycloak-operator/pom.xml

ozgcloud-keycloak-operator/samples/crd/KeycloakUser

ozgcloud-keycloak-operator/src/main/helm/Chart.yaml

...ud-keycloak-operator/src/main/helm/templates/_helpers.tpl

...emplates/crds/operator.ozgcloud.de_OzgKeycloakClient.yaml

...templates/crds/operator.ozgcloud.de_OzgKeycloakGroup.yaml

...emplates/crds/operator.ozgcloud.de_OzgKeycloakRealms.yaml

.../templates/crds/operator.ozgcloud.de_OzgKeycloakUser.yaml

...keycloak-operator/src/main/helm/templates/deployment.yaml

...k-operator/src/main/helm/templates/image_pull_secret.yaml

...main/helm/templates/rbacs/keycloak_admin_secret_read.yaml

...operator/src/main/helm/templates/rbacs/keycloak_read.yaml

...perator/src/main/helm/templates/rbacs/keycloak_write.yaml

...perator/src/main/helm/templates/rbacs/serviceaccount.yaml