feat(keycloak): run Keycloak on Flatcar#35

jmgilman wants to merge 2 commits intosession-044/keycloak-token-brokerGilmanLab/infra:session-044/keycloak-token-brokerfrom

session-044/keycloak-flatcar-permanentGilmanLab/infra:session-044/keycloak-flatcar-permanentCopy head branch name to clipboard