Add support for GitLab authentication

[ant8e]

If the Ivy credential's realm contains the string "gitlab-private-token"
a Private-Token HTTP header with the value of the password is used instead
of the default basic authentication.

Should fix #241

[rtimush]

Thank you for your contribution! Do I understand it correctly that the gitlab-private-token realm doesn't come from the GitLab itself, but is just a convention?

[ant8e]

Yes, Exactly. It is just here to trigger the usage of the gitlab authentication method. This is a bit of a hack for sure. On the positive side, it allows to use the credentials storage mechanism of SBT. If you feel that this approach is ok, I will add  some documentation  to the PR.

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On 4 Nov 2021, 23:41 +0100, Roman Timushev ***@***.***>, wrote: Thank you for your contribution! Do I understand it correctly that the gitlab-private-token realm doesn't come from the GitLab itself, but is just a convention? — You are receiving this because you authored the thread. Reply to this email directly, view it on GitHub, or unsubscribe. Triage notifications on the go with GitHub Mobile for iOS or Android.

[rtimush]

Hi @ant8e. Sorry for a long delay. This change requires an additional configuration of the builds, which I'd like to avoid.
I've been thinking about an alternative way that reads the csrConfiguration setting, and I think I finally figured out a way to do it, while keeping compatibility with the older sbt versions (#276).