Update repositories.txt (#3974)

Author: danmowehhuk

repositories.txt

@@ -3432,6 +3432,7 @@ https://github.com/daniel-centore/arduino-tone-library
 https://github.com/danilopinotti/Battery18650Stats
 https://github.com/danja/TM1638lite
 https://github.com/danmowehhuk/AD75019
+https://github.com/danmowehhuk/Eventuino
 https://github.com/danny270793/ArduinoShiftRegister
 https://github.com/dantler/GroveEncoder
 https://github.com/dantler/LircRemote101