[NonGNU ELPA] Arduino-Mode version 1.3.0

[ELPA update]

Version 1.3.0 of package Arduino-Mode has just been released in NonGNU ELPA.
You can now find it in M-x package-list RET.

Arduino-Mode describes itself as:
  Major mode for editing Arduino code

More at https://elpa.nongnu.org/nongnu/arduino-mode.html