Add project files.

paperless-ngx-export/Models/CustomFieldKeyValuePair.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace paperless_ngx_export.Models
+{
+    public class CustomFieldKeyValuePair
+    {
+        public int field { get; set; }
+        public string value { get; set; }
+
+        public override string ToString()
+        {
+            return $"{field}: {value}";
+        }
+    }
+}