Add project files.

CarParkValidationAPI/Models/ResultModel.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+
+namespace CarParkValidationAPI.Models
+{
+    public class ResultModel<T>
+    {
+        public T Data { get; set; }
+        public int StatusCode { get; set; }
+        public string Message { get; set; }
+    }
+}