improved orm setup

_common/db_client/prisma/schema.prisma

@@ -1,11 +1,11 @@
 generator dartClient {
   provider = "dart run orm"
-  output   = "../../../backend_dart/lib/infrastructure/persistence"
+  output   = "../../../backend_dart/lib/infrastructure/persistence/db"
 }
 
 generator goClient {
   provider = "go run github.com/steebchen/prisma-client-go"
-  output   = "../../../backend-go/internal/infrastructure/persistence"
+  output   = "../../../backend-go/internal/infrastructure/persistence/db"
 }
 
 datasource db {

_common/docker/redis.conf

@@ -0,0 +1,7 @@
+# Redis Konfigurationsdatei für Persistenz
+save 900 1
+save 300 10
+save 60 10000
+
+# AOF aktivieren für zusätzliche Datensicherheit
+appendonly yes