Add vovagorodok ArduinoBleBattery library (#7083)

Author: vovagorodok

repositories.txt

@@ -7358,6 +7358,7 @@ https://github.com/vortigont/ESPAsyncButton
 https://github.com/vortigont/pzem-edl/
 https://github.com/vovagorodok/ArduinoBleChess
 https://github.com/vovagorodok/ArduinoBleOTA
+https://github.com/vovagorodok/ArduinoBleBattery
 https://github.com/vovagorodok/ArduinoPin
 https://github.com/vovagorodok/ArduinoStreamLogger
 https://github.com/vovagorodok/ArrayUtils