[Library Manager] New library aE2

[matusm]

Please add the following library to the Library Manager:

https://github.com/matusm/Arduino-E2

Description: This library allows communication with sensor devices using the proprietary E2 bus protocol
Latest release package: https://github.com/matusm/Arduino-E2/releases/tag/v1.0.0

[cmaglie]

Done.