refactor(ports): add netbird port definitions

hosts/m3-atlas/services/default.nix

@@ -3,15 +3,13 @@
     ./containers
     ./gitea.nix
     ./gitea-actions-runner.nix
-    ./headscale.nix
     ./minio.nix
     ./mysql.nix
     ./n8n.nix
-    ./outline.nix
+    ./netbird.nix
     ./paperless.nix
     ./postgres.nix
     ./searx.nix
-    ./tailscale.nix
     ./traefik.nix
     ./vaultwarden.nix
     ./wastebin.nix