Update repositories.txt (#5952)

Author: snowhalationmkii

repositories.txt

@@ -9,6 +9,7 @@ https://github.com/AryanBhirud/BitFlash_Client
 https://github.com/a-saab/PrayerTimes
 https://github.com/nextgentech-512/Single-Wire-Data-Bus
 https://github.com/roncoa/StringEEPROM
+https://github.com/snowhalationmkii/BS811X_I2C
 https://github.com/sstaub/IDToolsPico
 https://github.com/sstaub/LCD-HD44780
 https://github.com/sstaub/LCD-I2C-HD44780