Move documentation out of source tree

doc/Class.plantuml

@@ -0,0 +1,71 @@
+@startuml
+interface Sensor {
+        + {abstract} int Value()
+}
+
+class LMSensor {
+        - Identifier: string
+
+        + int Value()
+}
+
+class GPUSensor {
+        + int Value()
+}
+
+class HWMONFan {
+        - Identifier: string
+        - RPMSensor: Sensor
+        - PWMControl: PWMControl
+
+        + int RPM()
+        + void PWM(value: int)
+}
+
+class PWMControl {
+        + void PWM(value: int)
+        + int PWM()
+}
+
+class LMSensorsFacade
+{
+        + List<Sensor> RPMSensors()
+        + List<Sensor> TemperatureSensors()
+}
+
+class GPUSensorsFacade
+{
+        + List<Sensor> TemperatureSensors()
+}
+
+class SensorManager
+{
+        - LMSensorsFacade
+        - GPUSensorsFacade
+
+        + List<Sensor> RPMSensors()
+        + List<Sensor> TemperatureSensors()
+}
+
+class FanGenerator
+{
+        + FanList FindFans(List<RPMSensor>, List<PWMControl>)
+}
+
+HWMONFan -- Sensor
+HWMONFan -- PWMControl
+
+Sensor <|-- LMSensor
+Sensor <|-- GPUSensor
+
+SensorManager - Sensor
+
+LMSensor -- LMSensorsFacade
+GPUSensor -- GPUSensorsFacade
+LMSensorsFacade -- SensorManager
+GPUSensorsFacade -- SensorManager
+
+FanGenerator - HWMONFan
+FanGenerator - SensorManager
+FanGenerator - PWMControl
+@enduml