[feature request] launchpad should report build statuses in the 'code' and repository summary pages

Context: The Ubuntu Security team manages a private distribution with a large number of git repositories. In order to know whether any of them has had a build failure as a result of recent updates, I currently need to navigate to the 'code' page of the distribution, click into each individual repository, then click into each affected branch or tag to see the build status of the latest commit on the given branch or tag. When looking across multiple projects or multiple branches, this can be quite time consuming.

Instead, in the 'code' page of a project, team, or distribution, I propose that launchpad could include the latest build status associated with each associated git repository. On the landing page for each git repository where the branches are listed, launchpad could report the latest build status for each branch.

The status indicator could potentially be a link to either the relevant branch, tag, or commit on the given repository, or to some yet non-existent build summary page which links back to the relevant reference, build artifact (if the build completed successfully), and shows build logs.

Thanks for considering this usability feature request!