refactor: extract TangentData from JsonXModelLoader

src/ObjLoading/XModel/TangentData.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "XModel/XModelCommon.h"
+
+#include <array>
+#include <vector>
+
+class TangentData
+{
+public:
+    void CreateTangentData(const XModelCommon& common);
+
+    std::vector<std::array<float, 3>> m_tangents;
+    std::vector<std::array<float, 3>> m_binormals;
+};