Update repositories.txt (#6873)

Author: derdoktor667

repositories.txt

@@ -3,6 +3,7 @@ https://github.com/deepanshu-deshwal/SL001_Deepanshu
 https://github.com/cocoisarobo/skytraq-navic
 https://github.com/LordofRobots/LoR_v3
 https://github.com/derdoktor667/DShotRMT
+https://github.com/derdoktor667/FlyskyIBUS
 https://github.com/kenchow96/faster-trig-2040
 https://github.com/milad-nikpendar/initBuzzer
 https://github.com/milad-nikpendar/initGT911