Change observability service ports and add Arrtrix content management

- Update ports for Alloy, Grafana, Loki, Prometheus, Promtail, Tempo,
  and
  Uptime Kuma to new ranges
- Add Arrtrix content management commands and subscriptions
- Implement Radarr and Sonarr client logic for movie and series
  management
- Add matrix commands for download and subscription management
- Add subscription repository with database schema and logic
- Update Arrtrix config and example config for content section
- Update help text and command processor to include new commands
- Update vendor hash for Arrtrix package

systems/x86_64-linux/ulmo/default.nix

@@ -146,7 +146,7 @@
                   };
 
                   grafana = {
-                    redirectUris = ["http://localhost:9001/login/generic_oauth"];
+                    redirectUris = ["http://localhost:9100/login/generic_oauth"];
                     grantTypes = ["authorizationCode"];
                     responseTypes = ["code"];
                   };