See the general Documentation guidelines http://docs.gitlab.com/ce/development/doc_styleguide.html
What does this MR do?
Adds documentation which lists potential resolutions for 'Broken pipe' errors on git push, as suggested on #25016 (moved).
Closes #25016 (moved)
Moving docs to a new location?
Make sure the old link is not removed and has its contents replaced with a link to the new location.
Make sure internal links pointing to the document in question are not broken.
Search and replace any links referring to old docs in GitLab Rails app, specifically under the
If working on CE, submit an MR to EE with the changes as well.