Documentation Update - Search through GitLab

Consolidate the documentation on this page. To provide a more concise layout for the information in this section.

With the Launch of this Marketing Page, Global Search has been seeing an increase in user interaction both pre and post-sales. There has also been a large number of feature changes over the last year.

The Main Search page for Gitlab documentation https://docs.gitlab.com/ee/user/search/

I think the global search marketing entry should link to the Search through GitLab https://about.gitlab.com/stages-devops-lifecycle/enablement/

Outline

My thoughts on an outline

• Introduction or Overview
  • Global Search
    • Basic Search
      • Search by SHA
      • Search Features...?
    • Advanced Search
      • Code Search
      • Search Syntax
      • Search Features...?
  • Filter Bar (not sure what we officially call this)
    • Using Tokens
    • Sorting
    • Other special usecase?
  • Other Search features
    • Find File
      • In web IDE