[Library Manager] Please add Adafruit INA260 library

[siddacious]

Please add this new driver for the TI INA260 current and power monitor/sensor:
https://github.com/adafruit/Adafruit_INA260

Thanks!

[siddacious]

Closed because of travis issues on the adafruit side. I'll reopen when they're fixed.

[siddacious]

Ok, travis issues fixed! Please add to the library manager now.

[cmaglie]

done!

[siddacious]

Thanks :)