Opendrop libraries are not available for library manager

[utimcraig]

Here is a link to how to get the packages to be listed in the default library manager:
Here is the url

I think part of the goal of this project is to make this software widely available, which it is since it's available on github. It would also be nice to have the packages available on the arduino library manager! Then people will see them when they are looking through the libraries!