REFACTOR(headlamp): switch to authelia

- Remove OIDC config from helm-values
- Remove ExternalSecret (not needed)
- Add Authelia middleware to ingress
- Headlamp uses ServiceAccount for K8s API access

homer/config.yml

@@ -200,9 +200,9 @@ services:
         target: "_blank"
       - name: "Longhorn"
         logo: "/assets/icons/longhorn.webp"
-        subtitle: "Block Storage Management"
+        subtitle: "Degraded"
         tag: "dev"
-        tagstyle: "is-success"
+        tagstyle: "is-danger"
         keywords: "longhorn storage"
         url: "https://longhorn0213.kro.kr"
         target: "_blank"