Added ufbx warper

src/Tools/Ghost.NativeWrapperGen/Emit/CodeWriter.cs

@@ -0,0 +1,44 @@
+using System.Text;
+
+namespace Ghost.NativeWrapperGen.Emit;
+
+internal sealed class CodeWriter
+{
+    private readonly StringBuilder _builder = new();
+    private int _indent;
+
+    public void WriteLine(string line = "")
+    {
+        if (line.Length == 0)
+        {
+            _builder.AppendLine();
+            return;
+        }
+
+        _builder.Append(' ', _indent * 4);
+        _builder.AppendLine(line);
+    }
+
+    public IDisposable IndentScope()
+    {
+        _indent++;
+        return new Scope(this);
+    }
+
+    public override string ToString() => _builder.ToString();
+
+    private sealed class Scope : IDisposable
+    {
+        private readonly CodeWriter _writer;
+
+        public Scope(CodeWriter writer)
+        {
+            _writer = writer;
+        }
+
+        public void Dispose()
+        {
+            _writer._indent--;
+        }
+    }
+}