Update repositories.txt (#4801)

RC.Easy

Author: Sam4uk

repositories.txt

@@ -5388,6 +5388,7 @@ https://github.com/sam-peach/Adafruit_SSD1306_EMULATOR
 https://github.com/Sam4uk/CRSF
 https://github.com/Sam4uk/Password
 https://github.com/Sam4uk/Filter.Easy
+https://github.com/Sam4uk/RC.Easy
 https://github.com/Sam4uk/Tools.Easy
 https://github.com/Sam4uk/WD.Easy
 https://github.com/samelement/ACS-M1128