Add RenderSession.WithOutputPath

Core/RenderManager.cs

@@ -392,10 +392,7 @@ namespace ADOFAIRenderer.Core
         public void SetupCaptureDirectory()
         {
             var renderDir = Path.Combine(MelonEnvironment.GameRootDirectory, "Render");
-            if (!Directory.Exists(renderDir))
-            {
-                Directory.CreateDirectory(renderDir);
-            }
+            FileUtil.CreateDirectory(renderDir);
         }
 
         public void SetupGameScene()