Add "API" to API docs
What
Add the word "API" to APIs docs' h1 headings to improve docs.gitlab.com site search results
Related: https://gitlab.com/gitlab-com/gitlab-docs/issues/102, https://gitlab.com/gitlab-com/gitlab-docs/issues/77
Add the word "API" to APIs docs' h1 headings to improve docs.gitlab.com site search results
Related: https://gitlab.com/gitlab-com/gitlab-docs/issues/102, https://gitlab.com/gitlab-com/gitlab-docs/issues/77