[PCTL] Add CreateServiceWithoutInitialize and Initialize

Ryujinx.HLE/OsHle/Services/Pctl/IParentalControlService.cs

@@ -1,3 +1,4 @@
+using Ryujinx.HLE.Logging;
 using Ryujinx.HLE.OsHle.Ipc;
 using System.Collections.Generic;
 
@@ -9,12 +10,24 @@ namespace Ryujinx.HLE.OsHle.Services.Pctl
 
         public override IReadOnlyDictionary<int, ServiceProcessRequest> Commands => m_Commands;
 
+        public bool Initialized = false;
+
         public IParentalControlService()
         {
             m_Commands = new Dictionary<int, ServiceProcessRequest>()
             {
-                //...
+                { 1, Initialize }
             };
         }
+
+        public long Initialize(ServiceCtx Context)
+        {
+            if (!Initialized)
+                Initialized = true;
+            else
+                Context.Ns.Log.PrintWarning(LogClass.ServicePctl, "Service is already initialized!");
+
+            return 0;
+        }
     }
 }