Add String Service and Implement all of it's requirements as an xDashboard Package ...

DataHelper/GraphQL/XStringGraphSchema.cs

@@ -0,0 +1,13 @@
+using System;
+using GraphQL.Types;
+
+namespace xDataHelper.GraphQL
+{
+    public class XStringGraphSchema : Schema
+    {
+        public XStringGraphSchema(IServiceProvider services) : base(services)
+        {
+            Query = (XStringGraphQuery)services.GetService(typeof(XStringGraphQuery));
+        }
+    }
+}