Add submission # 5166

#5166

Author: ArduinoBot

registry.txt

@@ -7456,3 +7456,4 @@ https://github.com/thomasgeissl/ESP-NOW-MIDI.git|Contributed|ESP-NOW MIDI
 https://gitlab.com/ettotog/tiny-io.git|Contributed|TinyIO
 https://github.com/adbancroft/avr-fast-map.git|Contributed|avr-fast-map
 https://github.com/soynaldo/Labvee.git|Contributed|Labvee Library
+https://github.com/JensDMadsen/Multitasker.git|Contributed|Multitasker