Update BuildSettingsVersion to V5

Source/Nakatomi.Target.cs

@@ -7,7 +7,7 @@ public class NakatomiTarget : TargetRules
 	public NakatomiTarget(TargetInfo Target) : base(Target)
 	{
 		Type = TargetType.Game;
-		DefaultBuildSettings = BuildSettingsVersion.V2;
+		DefaultBuildSettings = BuildSettingsVersion.V5;
 		IncludeOrderVersion = EngineIncludeOrderVersion.Latest;
 		ExtraModuleNames.Add("Nakatomi");
 	}

Source/Nakatomi/NakatomiSaveFileInfo.h

@@ -0,0 +1,15 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+
+/**
+ * 
+ */
+class NAKATOMI_API NakatomiSaveFileInfo
+{
+public:
+	NakatomiSaveFileInfo();
+	~NakatomiSaveFileInfo();
+};

Source/Nakatomi/NakatomiSaveGame.h

@@ -0,0 +1,17 @@
+// Fill out your copyright notice in the Description page of Project Settings.
+
+#pragma once
+
+#include "CoreMinimal.h"
+#include "GameFramework/SaveGame.h"
+#include "NakatomiSaveGame.generated.h"
+
+/**
+ * 
+ */
+UCLASS()
+class NAKATOMI_API UNakatomiSaveGame : public USaveGame
+{
+	GENERATED_BODY()
+	
+};