New comparison page: Trello vs Issue Boards
Closes https://gitlab.com/gitlab-com/www-gitlab-com/issues/1359
Review apps: https://comparison-issueboard-and-trello.about.gitlab.com/comparison/gitlab-issueboards-vs-trello.html#dropdown
Link to https://docs.gitlab.com/ce/user/project/issues/create_new_issue.html#new-issue-from-the-issue-board will be broken until https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/11075 gets merged.