docs: add oO MLflow+Airflow path routes to Caddy section

Network.md

@@ -82,6 +82,15 @@ vui3.alogins.net {
     respond 401
 }
 vui4.alogins.net { reverse_proxy localhost:58959 }
+
+# oO recommendation system — path-based routing on one domain
+o.alogins.net {
+    handle /api/*    { reverse_proxy localhost:3078 }
+    handle /admin*   { reverse_proxy localhost:3080 }
+    handle /mlflow*  { reverse_proxy localhost:5000 }   # MLflow (mlops profile)
+    handle /airflow* { reverse_proxy localhost:8080 }   # Airflow (mlops profile)
+    handle           { reverse_proxy localhost:3079 }
+}
 ```
 
 ```bash