Update repositories.txt (#5782)

Author: mfurga

repositories.txt

@@ -4220,6 +4220,7 @@ https://github.com/mertwhocodes/mwc_stepper
 https://github.com/meshtastic/Meshtastic-arduino
 https://github.com/meteolab/MeteoLabBeacon
 https://github.com/Mewtry/TCS230_ESP32
+https://github.com/mfurga/cc1101
 https://github.com/mgaman/PDUlib
 https://github.com/mggates39/MyDelay
 https://github.com/MHeeres/DataServeriOS