As a Gerrit user I want to be able to push commits for review with the Push button

Please provide at least a very basic support for Gerrit workflow.
As a Gerrit user I now have to execute all `push` commands from command line.

Gerrit is a commonly used tool for hosting Git repositories and performing code review.
Although fully compatible with basic git, it's intended workflow is a no fit for GitKraken currently.

Due to its unique core ideas, Gerrit users need to push branches to a special namespace instead of traditional branch. E.g.:
git push origin HEAD:refs/for/master

Unfortunately, GitKraken's push button automatically tries to push directly to a remote-tracked branch, therefore completely avoiding the code review mechanism of Gerrit.