KR: Docs landing page to display most useful Support articles

Based on conversations in week of April 20, 2020, and discussion about this Support KR.

• Work with Support to identify top ten articles to display

  • Articles to display (final list of top 12):
    • Two-factor Authentication: https://docs.gitlab.com/ee/user/profile/account/two_factor_authentication.html
    • Create and add your SSH key pair: https://docs.gitlab.com/ee/gitlab-basics/create-your-ssh-keys.html
    • Backing up and restoring GitLab: https://docs.gitlab.com/ee/raketasks/backup_restore.html
    • GitLab groups: https://docs.gitlab.com/ee/user/group
    • GitLab subscriptions: https://docs.gitlab.com/ee/subscriptions/
    • GitLab CI/CD Pipeline Configuration Reference: https://docs.gitlab.com/ee/ci/yaml/
    • Omnibus GitLab database settings: https://docs.gitlab.com/omnibus/settings/database.html
    • Elasticsearch integration: https://docs.gitlab.com/ee/integration/elasticsearch.html
    • GitLab Release and Maintenance Policy: https://docs.gitlab.com/ee/policy/maintenance.html
    • NGINX settings: https://docs.gitlab.com/omnibus/settings/nginx.html
    • SSL Configuration: https://docs.gitlab.com/omnibus/settings/ssl.html
    • Activate all GitLab Enterprise Edition functionality with a license: https://docs.gitlab.com/ee/user/admin_area/license.html

• Add identified pages to Popular Topics section of the docs.gitlab.com home page and on the README page.

  • gitlab-org/gitlab-docs!985 (merged)
  • gitlab-org/gitlab!35828 (merged)

Retrospective

GOOD

• 100% attainment
• Easier for users to find highly-trafficked docs

BAD

• Nothing

TRY

• Nothing