Update repositories.txt (#7068)

Author: ErlingSigurdson

repositories.txt

@@ -3150,6 +3150,7 @@ https://github.com/GyverLibs/TimerMs
 https://github.com/GyverLibs/UnixTime
 https://github.com/GyverLibs/VirtualButton
 https://github.com/GyverLibs/VolAnalyzer
+https://github.com/ErlingSigurdson/SegMap595
 https://github.com/h-c-c/Seven_Segment_Pixel
 https://github.com/H-Kurosaki/UARDECS
 https://github.com/H-Kurosaki/UARDECS_MEGA