Update repositories.txt (#6717)

Author: abcdaaaaaaaaa

repositories.txt

@@ -561,6 +561,7 @@ https://github.com/aaryaapg/SPC-Library
 https://github.com/Aasim-A/AsyncTimer
 https://github.com/abaskin/MAX72XX
 https://github.com/abcdaaaaaaaaa/MQSpaceData.h
+https://github.com/abcdaaaaaaaaa/RadioactiveDataScience
 https://github.com/abderraouf-adjal/ArduinoSpritzCipher
 https://github.com/abderraouf-adjal/Embedded-PID
 https://github.com/AbdoullahBougataya/QCFA