[Library Manager] Add OctoPrintAPI library to the library manager

[chunkysteveo]

Hello, please can we add OctoPrintAPI library to the Arduino Library Manager:

https://github.com/chunkysteveo/OctoPrintAPI

Thanks,

Steve

[per1234]

The version value in library.properties at the time of the release/tag must match the release version. The version value in your 1.0.2 release remains at 1.0.1.

[chunkysteveo]

Correction in the library.properties file to the latest patch, and keyword file updated to match the example format and style.

[cmaglie]

Done!