iOS: move source

doric-iOS/Pod/Yoga/yoga/YGNodePrint.h

@@ -0,0 +1,24 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the LICENSE
+ * file in the root directory of this source tree.
+ */
+#ifdef DEBUG
+#pragma once
+#include <string>
+
+#include "Yoga.h"
+
+namespace facebook {
+namespace yoga {
+
+void YGNodeToString(
+    std::string& str,
+    YGNodeRef node,
+    YGPrintOptions options,
+    uint32_t level);
+
+} // namespace yoga
+} // namespace facebook
+#endif