Add project files.

GZStudio.Core/Helpers/Json.cs

@@ -0,0 +1,22 @@
+using Newtonsoft.Json;
+
+namespace GZStudio.Core.Helpers;
+
+public static class Json
+{
+    public static async Task<T> ToObjectAsync<T>(string value)
+    {
+        return await Task.Run<T>(() =>
+        {
+            return JsonConvert.DeserializeObject<T>(value);
+        });
+    }
+
+    public static async Task<string> StringifyAsync(object value)
+    {
+        return await Task.Run<string>(() =>
+        {
+            return JsonConvert.SerializeObject(value);
+        });
+    }
+}