Add mapping logic and serialization for writing

app/include/Serializer.h

@@ -0,0 +1,22 @@
+#ifndef SERIALIZER_H_
+#define SERIALIZER_H_
+
+#include <memory>
+#include <vector>
+
+#include <nlohmann/json.hpp>
+
+#include <fan/Fan.h>
+
+using json = nlohmann::json;
+
+class Serializer {
+public:
+  Serializer();
+  void Serialize(std::vector<std::shared_ptr<Fan>> fans);
+
+private:
+  void WriteJson(json o);
+};
+
+#endif // SERIALIZER_H_