Add microservices for masterdata, events, and ZNS import; configure API gateway routes; implement real Turnier and Verein repository integrations; and update infrastructure, frontend, and documentation.

frontend/core/network/src/commonMain/kotlin/at/mocode/frontend/core/network/ApiRoutes.kt

@@ -21,9 +21,14 @@ object ApiRoutes {
   }
 
   object Masterdata {
-    const val REITER = "/api/masterdata/reiter"
-    const val PFERDE = "/api/masterdata/horse"
-    const val FUNKTIONAERE = "/api/masterdata/funktionaer"
-    const val VEREINE = "/api/masterdata/verein"
+    const val ROOT = "/api/v1/masterdata"
+    const val REITER = "$ROOT/reiter"
+    const val PFERDE = "$ROOT/horse"
+    const val FUNKTIONAERE = "$ROOT/funktionaer"
+    const val VEREINE = "$ROOT/verein"
+  }
+
+  object Events {
+    const val ROOT = "/api/v1/events"
   }
 }