Populate project token via env vars

[jault3]

I am looking at integrating this plugin into a few of my projects and noticed recently you could populate the organization token via an environment variable. Would it be possible to do the same for the project token? This would help keep tokens out of source code repos and have a generic process for all of my projects in CI.

I don't write much scala, or have much experience with sbt (other than a couple of days running commands), so I don't feel comfortable making a PR 😄

[raboof]

That sounds like a reasonable feature - though I noticed that when the project name matches, the project token is optional, so in most cases I don't need to deal with it at all.

[jault3]

I did not realize it was optional when the name matches, thanks! That makes this less of a priority, but still not a bad feature to have.