ZUGFeRDRESTService: WIP Prepare validation of buyer order reference

WEBSERVICES/ZUGFeRDRESTService/Config.cs

@@ -1,15 +1,20 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Threading.Tasks;
-
-namespace ZUGFeRDRESTService
+namespace ZUGFeRDRESTService
 {
     public class Config
     {
         public string Name { get; set; }
         public string LogPath { get; set; }
-
         public string MSSQLConnectionString { get; set; }
+
+        public FirebirdConfig Firebird { get; set; }
     }
+
+    public class FirebirdConfig
+    {
+        public string Datasource { get; set; }
+        public string Database { get; set; }
+        public string Username { get; set; }
+        public string Password { get; set; }
+    }
+
 }