Add NVM to Library Manager

[d00616]

Please add https://github.com/d00616/arduino-NVM to the Library Manager.

[agdl]

Hi @d00616 NVM in a too generic name, can you please rename your library (library.properties name=) in arduino-NVM?

[d00616]

Ok. I have renamed the library.

[agdl]

Done thank you!