update adalight sketch (#299)

* rename platform rpi-pwm to rpi. remove original rpi platform
install symlink to bin folder
create effects folder for custom effects

* fix osx jobs evaluation

* - add rewrite time to serial leds
- rework adalight sketch

* add analog output

* adalight: add analog mode: last led

* tune adalight sketch to final state
move refresh code to leddevice base class, so every leddevice can use it

libsrc/leddevice/LedDeviceAdalight.cpp

@@ -2,7 +2,6 @@
 
 LedDeviceAdalight::LedDeviceAdalight(const QJsonObject &deviceConfig)
 	: ProviderRs232()
-
 {
 	_deviceReady = init(deviceConfig);
 }