Added backend API project to segregate responsibilites - Data is now handled in API project and business is all handled in UI project.

ReportingServices.Shared/HelperClasses/JsonFileHandler.cs

@@ -0,0 +1,19 @@
+using System.Text.Json;
+
+namespace ReportingServices.Shared.HelperClasses
+{
+    public static class JsonFileHandler
+    {
+        public static T LoadJSONFile<T>(string file)
+        {
+            string json = File.ReadAllText(file);
+            return JsonSerializer.Deserialize<T>(json);
+        }
+
+        public static void SaveJSONFile<T>(T obj, string file)
+        {
+            string json = JsonSerializer.Serialize(obj);
+            File.WriteAllText(file, json);
+        }
+    }
+}