Add documentation, cleanup

app/doc/ApplicationStart.plantuml

@@ -0,0 +1,17 @@
+@startuml
+
+start
+:Initialization;
+
+if (Mapping exists) then (yes)
+  :Load mapping;
+else (no)
+  :Generate mapping;
+endif
+
+:Enter fan control loop;
+:Load Fan Curves;
+
+stop
+
+@enduml

app/doc/Class.plantuml

@@ -0,0 +1,25 @@
+@startuml
+interface Fan {
+        {abstract} void PWM(int percent)
+        {abstract} int RPM()
+}
+
+interface Sensor {
+        {abstract} int value()
+        {abstract} string name()
+}
+
+class HwmonFan {
+
+}
+
+Fan <|-- HwmonFan
+
+Sensor <|-- HwmonSensor
+Sensor <|-- NvidiaSensor
+
+HwmonFan - Sensor
+HwmonFan -- PwmControl
+
+
+@enduml

app/doc/InteractiveMapping.plantuml

@@ -0,0 +1,7 @@
+@startuml
+actor User as usr
+participant Interface as if
+
+
+
+@enduml