Update repositories.txt (#5542)

Author: arms22

repositories.txt

@@ -6440,6 +6440,7 @@ https://github.com/suratin27/PicoPLC
 https://github.com/SV-Zanshin/INA
 https://github.com/SvenRosvall/SignalControl
 https://github.com/swharden/NumberSpeaker
+https://github.com/SWITCHSCIENCE/QZSSDCX
 https://github.com/Syncano/syncano-arduino
 https://github.com/SyntaxHarvy/HaCEspSockets
 https://github.com/SyntaxHarvy/HACTimers