file service module added

prisma/schema.prisma

@@ -119,3 +119,17 @@ model MenuItem {
 
   createdAt DateTime @default(now())
 }
+
+model File {
+  id            String   @id @default(uuid())
+  originalName  String
+  storagePath   String   
+  folder        String
+  version       Int      @default(1)
+  mimeType      String
+  size          Int
+  createdAt     DateTime @default(now())
+  updatedAt     DateTime @updatedAt
+
+  @@index([folder, originalName])
+}