Update repositories.txt (#3652)

Author: boeserfrosch

repositories.txt

@@ -6422,6 +6422,7 @@ https://github.com/hpsaturn/espnow-joystick
 https://github.com/koendv/FloatToString
 https://github.com/boeserfrosch/GuL_Plantower
 https://github.com/boeserfrosch/GuL_NovaFitness
+https://github.com/boeserfrosch/GuL_TI_Humidity
 https://github.com/Zeppelin500/MBusinoLib
 https://github.com/m5stack/M5Unit-ToF4M
 https://github.com/MOMIZICH/Shift_Register_Controller