Refactoring, housekeeping, documentation

Add a class diagram. Still needs some details.
Refactor to better respect SOLID principles.
Housekeeping, move and rename classes/files.

app/include/sensor/LMSensorsFacade.h

@@ -0,0 +1,27 @@
+#ifndef LMSENSORSFACADE_H_
+#define LMSENSORSFACADE_H_
+
+#include <memory>
+#include <vector>
+
+#include <sensors/sensors.h>
+
+#include <sensor/Sensor.h>
+
+class LMSensorsFacade {
+public:
+  LMSensorsFacade();
+  ~LMSensorsFacade();
+
+  std::vector<std::shared_ptr<Sensor>> TemperatureSensors();
+  std::vector<std::shared_ptr<Sensor>> RPMSensors();
+
+private:
+  template <sensors_subfeature_type T>
+  std::vector<std::shared_ptr<Sensor>> Sensors();
+
+private:
+  FILE *mConfigFile;
+};
+
+#endif // LMSENSORSFACADE_H_