[Library Manager] Please add LinxESP32 library

[tanakamasayuki]

Hello,
please add our library into your library manager.

Link to the repository:
https://github.com/tanakamasayuki/LinxESP32

And to library.properties file:
https://github.com/tanakamasayuki/LinxESP32/blob/master/library.properties

Thanks!

[cmaglie]

Done.