Update README

README.md

@@ -35,13 +35,15 @@ The nix based configuration for my home lab.
 ### Traefik
 HTTP reverse proxy.
 
+### Authentik
+SSO for almost everything running.
+
 
 ## TODO:
 - Docker/podman images are currently not persisted, maybe they should be.
 
 ### Services
 **For sure**:
-- Authentik: Authentication
 - Forgejo: Git server
 - FreshRSS: RSS server/reader
 - Gramps: Family tree