Organize the files

app/include/sensor/TemperatureSensor.h

@@ -0,0 +1,12 @@
+#ifndef TEMPERATURESENSOR_H_
+#define TEMPERATURESENSOR_H_
+
+#include <iostream>
+
+class TemperatureSensor {
+public:
+  virtual int temperature() = 0;
+  virtual std::string name() = 0;
+};
+
+#endif // TEMPERATURESENSOR_H_