Add documentation, cleanup

app/include/sensor/HwmonSensor.h

@@ -0,0 +1,22 @@
+#ifndef HWMONSENSOR_H_
+#define HWMONSENSOR_H_
+
+#include <sensors/sensors.h>
+
+#include <sensor/Sensor.h>
+
+class HwmonSensor : public Sensor {
+public:
+  HwmonSensor(const sensors_chip_name *chipName, const sensors_feature *feature,
+              const sensors_subfeature *subfeature);
+
+  int value() override;
+  std::string name() override;
+
+private:
+  const sensors_chip_name *mChipName;
+  const sensors_feature *mFeature;
+  const sensors_subfeature *mSubFeature;
+};
+
+#endif // HWMONSENSOR_H_