upload_truth() function is not documented

[nickreich]

Looks like roxygen needs to be run and Rd files committed? seems like the documentation is there in the code:

https://github.com/reichlab/zoltr/blob/75d7dceb5c49b852e034ef08d9a221fd5ab000fa/R/project.R#L253

[matthewcornell]

Is this still an issue? I see the docs here: http://reichlab.io/zoltr/reference/upload_truth.html