Add submission # 5172

#5172

Author: ArduinoBot

registry.txt

@@ -7459,3 +7459,4 @@ https://github.com/soynaldo/Labvee.git|Contributed|Labvee Library
 https://github.com/JensDMadsen/Multitasker.git|Contributed|Multitasker
 https://github.com/elecrazy/servoctr.git|Contributed|ServoCtrl
 https://github.com/bwucke/TouchLed.git|Contributed|TouchLed
+https://github.com/MIT-Senseable-City-Lab/octopus-firmware.git|Contributed|Octopus Firmware