Auto-update README with current k8s applications

Generated by CI/CD workflow on 2025-12-28 20:33:20

This PR updates the README.md file with the current list of applications found in the k8s/ directory structure.

README.md

@@ -56,6 +56,7 @@ ArgoCD homelab project
 | **tg-bots** | [![tg-bots](https://ag.hexor.cy/api/badge?name=tg-bots&revision=true)](https://ag.hexor.cy/applications/argocd/tg-bots) |
 | **vaultwarden** | [![vaultwarden](https://ag.hexor.cy/api/badge?name=vaultwarden&revision=true)](https://ag.hexor.cy/applications/argocd/vaultwarden) |
 | **vpn** | [![vpn](https://ag.hexor.cy/api/badge?name=vpn&revision=true)](https://ag.hexor.cy/applications/argocd/vpn) |
+| **xandikos** | [![xandikos](https://ag.hexor.cy/api/badge?name=xandikos&revision=true)](https://ag.hexor.cy/applications/argocd/xandikos) |
 
 </td>
 </tr>