Moved to ESP32 and added webinterface for PenConfiguration.

Not working and removed:
- AccelStepper: Move to FastAccelStepper for ESP32
- Servo: Changed to ESP32 - check if that is ok
- Serial Comm Interface now at 115200 -> change back to 9600 later

platformio.ini

@@ -9,10 +9,12 @@
 ; https://docs.platformio.org/page/projectconf.html
 
 [env:uno]
-platform = atmelavr
-board = uno
+platform = platformio/espressif32
+board = esp32dev
 framework = arduino
-monitor_speed = 9600
-upload_speed = 115200
-upload_port= COM3
-lib_deps = arduino-libraries/Servo@^1.3.0
+monitor_speed = 115200
+upload_speed = 576000
+upload_port = /dev/ttyUSB*
+lib_deps = 
+	madhephaestus/ESP32Servo@^3.0.6
+	bblanchon/ArduinoJson@^6.21.5