* git-maintenance: add page * Apply suggestions from code review Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com> * Update pages/common/git-maintenance.md Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com> * Update pages/common/git-maintenance.md Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com> Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>