fix: file logger ensure directory exists

Engine.Core/Debug/FileLogger.cs

@@ -10,6 +10,10 @@ public class FileLogger : LoggerBase
     public FileLogger(string filePath)
     {
         FilePath = filePath;
+
+        if (Path.GetDirectoryName(filePath) is string directoryPath)
+            Directory.CreateDirectory(directoryPath);
+
         File.Open(filePath, FileMode.Create).Close();
     }