Add deserialization logic

app/include/Serializer.h

@@ -7,6 +7,10 @@
 #include <nlohmann/json.hpp>
 
 #include <fan/Fan.h>
+#include <sensor/Sensor.h>
+
+#define SERIALIZATION_DIR "/etc/fantasize"
+#define FANS_JSON_FILENAME "fans.json"
 
 using json = nlohmann::json;
 
@@ -14,9 +18,12 @@ class Serializer {
 public:
   Serializer();
   void Serialize(std::vector<std::shared_ptr<Fan>> fans);
+  std::vector<std::shared_ptr<Fan>>
+  Deserialize(std::vector<std::shared_ptr<Sensor>> availableSensors);
 
 private:
   void WriteJson(json o);
+  json ReadJson();
 };
 
 #endif // SERIALIZER_H_