Geo: improve project view UI to guide users how to clone/push from Geo secondary node

We have a lot of documentation about how to correctly setup and maintain Geo (#76 (closed)), but from the user perspective, their workflow for cloning / push to a new repository requires some adjustments to be made.

The user can choose from one of the two possible workflows:

1. Clone from secondary, add an additional remote source to local git copy linking it to the primary so they can push code
2. Clone from secondary, change the push url to match the url from the primary (like: git remote set-url --push origin git@geo.example.com:user/repo.git)

Discussion here: https://gitlab.slack.com/archives/geo-customers/p1467114524000004

Proposal

My proposal is to add an additional button close to the "copy" button that will open a modal dialog with the instructions on how clone and define the push url for the recently cloned repository.

Mockup: